18231409

素因数分解:

$7^1\times {\mathrm{101}}^1\times {\mathrm{107}}^1\times {\mathrm{241}}^1$

素因数の和:456

約数の個数: 16

約数和(自身を含む): 21326976

約数和(自身を除く): 3095567

約数列:

[1, 7, 101, 107, 241, 707, 749, 1687, 10807, 24341, 25787, 75649, 170387, 180509, 2604487, 18231409]

約数ペア:

[(1, 18231409), (7, 2604487), (101, 180509), (107, 170387), (241, 75649), (707, 25787), (749, 24341), (1687, 10807)]