19466915

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{9661}}^1$

素因数の和:9710

約数の個数: 16

約数和(自身を含む): 25971456

約数和(自身を除く): 6504541

約数列:

[1, 5, 13, 31, 65, 155, 403, 2015, 9661, 48305, 125593, 299491, 627965, 1497455, 3893383, 19466915]

約数ペア:

[(1, 19466915), (5, 3893383), (13, 1497455), (31, 627965), (65, 299491), (155, 125593), (403, 48305), (2015, 9661)]