19898735

素因数分解:

$5^1\times {\mathrm{41}}^1\times {\mathrm{113}}^1\times {\mathrm{859}}^1$

素因数の和:1018

約数の個数: 16

約数和(自身を含む): 24706080

約数和(自身を除く): 4807345

約数列:

[1, 5, 41, 113, 205, 565, 859, 4295, 4633, 23165, 35219, 97067, 176095, 485335, 3979747, 19898735]

約数ペア:

[(1, 19898735), (5, 3979747), (41, 485335), (113, 176095), (205, 97067), (565, 35219), (859, 23165), (4295, 4633)]