18740485

素因数分解:

$5^1\times {\mathrm{41}}^1\times {\mathrm{113}}^1\times {\mathrm{809}}^1$

素因数の和:968

約数の個数: 16

約数和(自身を含む): 23269680

約数和(自身を除く): 4529195

約数列:

[1, 5, 41, 113, 205, 565, 809, 4045, 4633, 23165, 33169, 91417, 165845, 457085, 3748097, 18740485]

約数ペア:

[(1, 18740485), (5, 3748097), (41, 457085), (113, 165845), (205, 91417), (565, 33169), (809, 23165), (4045, 4633)]