19835690

素因数分解:

$2^1\times 5^1\times 7^3\times {\mathrm{5783}}^1$

素因数の和:5811

約数の個数: 32

約数和(自身を含む): 41644800

約数和(自身を除く): 21809110

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 343, 490, 686, 1715, 3430, 5783, 11566, 28915, 40481, 57830, 80962, 202405, 283367, 404810, 566734, 1416835, 1983569, 2833670, 3967138, 9917845, 19835690]

約数ペア:

[(1, 19835690), (2, 9917845), (5, 3967138), (7, 2833670), (10, 1983569), (14, 1416835), (35, 566734), (49, 404810), (70, 283367), (98, 202405), (245, 80962), (343, 57830), (490, 40481), (686, 28915), (1715, 11566), (3430, 5783)]