18287674

素因数分解:

$2^1\times {\mathrm{139}}^1\times {\mathrm{157}}^1\times {\mathrm{419}}^1$

素因数の和:717

約数の個数: 16

約数和(自身を含む): 27871200

約数和(自身を除く): 9583526

約数列:

[1, 2, 139, 157, 278, 314, 419, 838, 21823, 43646, 58241, 65783, 116482, 131566, 9143837, 18287674]

約数ペア:

[(1, 18287674), (2, 9143837), (139, 131566), (157, 116482), (278, 65783), (314, 58241), (419, 43646), (838, 21823)]