18618506

素因数分解:

$2^1\times {\mathrm{131}}^1\times {\mathrm{179}}^1\times {\mathrm{397}}^1$

素因数の和:709

約数の個数: 16

約数和(自身を含む): 28369440

約数和(自身を除く): 9750934

約数列:

[1, 2, 131, 179, 262, 358, 397, 794, 23449, 46898, 52007, 71063, 104014, 142126, 9309253, 18618506]

約数ペア:

[(1, 18618506), (2, 9309253), (131, 142126), (179, 104014), (262, 71063), (358, 52007), (397, 46898), (794, 23449)]