2018521721

素因数分解:

${\mathrm{139}}^1\times {\mathrm{1901}}^1\times {\mathrm{7639}}^1$

素因数の和:9679

約数の個数: 8

約数和(自身を含む): 2034379200

約数和(自身を除く): 15857479

約数列:

[1, 139, 1901, 7639, 264239, 1061821, 14521739, 2018521721]

約数ペア:

[(1, 2018521721), (139, 14521739), (1901, 1061821), (7639, 264239)]