19479962

素因数分解:

$2^1\times {\mathrm{131}}^1\times {\mathrm{149}}^1\times {\mathrm{499}}^1$

素因数の和:781

約数の個数: 16

約数和(自身を含む): 29700000

約数和(自身を除く): 10220038

約数列:

[1, 2, 131, 149, 262, 298, 499, 998, 19519, 39038, 65369, 74351, 130738, 148702, 9739981, 19479962]

約数ペア:

[(1, 19479962), (2, 9739981), (131, 148702), (149, 130738), (262, 74351), (298, 65369), (499, 39038), (998, 19519)]