Q: What is the sum of all factors of the number 12,155 including 12,155?
A: 18,144
The factors of the number 12,155 are: 1, 5, 11, 13, 17, 55, 65, 85, 143, 187, 221, 715, 935, 1105, 2431, 12155.
If you add them up, you will get the total of 18,144.