73363173 ÷ 19 
The aim is to understand the frequency of 19 in 73363173.

Advancing to step 1:
If we divide 7 by 19, we get 0 and a remainder of 7.
The number 0 becomes the next digit in our result. 
Result so far: 0.0
If we subtract 0 from 7, we get 7.
Include the next digit (3) from the dividend after 7, then repeat: 73 / 19

Advancing to step 2:
19 can be fit into 73 3 times, resulting in a remainder of 16.
The number 3 becomes the next digit in our result. 
Result so far: 3.0
Subtract 57 from 73 to get 16.
Fetch the next digit (3) from the dividend, attach it to 16 and continue: 163 / 19

Advancing to step 3:
If we divide 163 by 19, we get 8 and a remainder of 11.
The next digit of our result is 8. 
Result so far: 38.0
If we subtract 152 from 163, we get 11.
Take the next digit (6) from the dividend and append it to 11, then repeat: 116 / 19

Step 4:
19 goes into 116 6 times with a remainder of 2.
Use 6 as the next digit of our solution. 
Result so far: 386.0
Deduct 114 from 116 and we're left with 2.
Include the next digit (3) from the dividend after 2, then repeat: 23 / 19

Step 5:
19 can be fit into 23 1 times, resulting in a remainder of 4.
Record the quotient 1 as the next digit in the result. 
Result so far: 3861.0
If we take 19 away from 23, we end up with 4.
Append the next digit (1) from the dividend to 4 and continue with: 41 / 19

Step 6:
If we divide 41 by 19, we get 2 and a remainder of 3.
The number 2 becomes the next digit in our result. 
Result so far: 38612.0
Subtracting 38 from 41 leaves us with 3.
Include the next digit (7) from the dividend after 3, then repeat: 37 / 19

Let's proceed to step 7:
19 goes into 37 1 times with a remainder of 18.
Use 1 as the next digit of our solution. 
Result so far: 386121.0
The remainder is 18 after subtracting 19 from 37.
Fetch the next digit (3) from the dividend, attach it to 18 and continue: 183 / 19

Let's proceed to step 8:
19 can be fit into 183 9 times, resulting in a remainder of 12.
The next digit of our result is 9. 
Result so far: 3861219.0
Subtract 171 from 183 to get 12.
Since there are no more digits in the dividend, we add a zero to the remainder making it 120, and continue the process.

Step 9:
If we divide 120 by 19, we get 6 and a remainder of 6.
Record the quotient 6 as the next digit in the result. 
Result so far: 3861219.6
Subtracting 114 from 120 leaves us with 6.
Since there are no more digits in the dividend, we add a zero to the remainder making it 60, and continue the process.

On to step 10:
The number 19 fits into 60 3 times, leaving a remainder of 3.
Use 3 as the next digit of our solution. 
Result so far: 3861219.63
The remainder is 3 after subtracting 57 from 60.
Since there are no more digits in the dividend, we add a zero to the remainder making it 30, and continue the process.

Moving on to step 11:
The number 19 fits into 30 1 times, leaving a remainder of 11.
Record the quotient 1 as the next digit in the result. 
Result so far: 3861219.631
If we take 19 away from 30, we end up with 11.
Since there are no more digits in the dividend, we add a zero to the remainder making it 110, and continue the process.

Step 12:
The number 19 fits into 110 5 times, leaving a remainder of 15.
Use 5 as the next digit of our solution. 
Result so far: 3861219.6315
If we take 95 away from 110, we end up with 15.
Since there are no more digits in the dividend, we add a zero to the remainder making it 150, and continue the process.

Let's proceed to step 13:
150 divided by 19 is 7 with a remainder of 17.
Use 7 as the next digit of our solution. 
Result so far: 3861219.63157
The remainder is 17 after subtracting 133 from 150.
Since there are no more digits in the dividend, we add a zero to the remainder making it 170, and continue the process.

Advancing to step 14:
When dividing 170 by 19, we get 8 with a remainder of 18.
Write down 8 as next digit of the result. 
Result so far: 3861219.631578
If we subtract 152 from 170, we get 18.
Since there are no more digits in the dividend, we add a zero to the remainder making it 180, and continue the process.

Moving on to step 15:
19 can be fit into 180 9 times, resulting in a remainder of 9.
The next digit of our result is 9. 
Result so far: 3861219.6315789
Subtract 171 from 180 to get 9.
Since there are no more digits in the dividend, we add a zero to the remainder making it 90, and continue the process.

On to step 16:
If we divide 90 by 19, we get 4 and a remainder of 14.
Write down 4 as next digit of the result. 
Result so far: 3861219.63157894
Subtracting 76 from 90 leaves us with 14.
Since there are no more digits in the dividend, we add a zero to the remainder making it 140, and continue the process.

The final result is 3861219.63157894 with a remainder of 1.4e-08.