Q: What is the sum of all factors of the number 19,400 excluding 19,400?
A: 26,170
The factors of the number 19,400 are: 1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 97, 100, 194, 200, 388, 485, 776, 970, 1940, 2425, 3880, 4850, 9700, 19400.
If you add them up, you will get the total of 19,426. Now subtract 19,400 to get 26,170