118499998

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{149}}^1\times {\mathrm{20929}}^1$

素因数の和:21099

約数の個数: 16

約数和(自身を含む): 188370000

約数和(自身を除く): 69870002

約数列:

[1, 2, 19, 38, 149, 298, 2831, 5662, 20929, 41858, 397651, 795302, 3118421, 6236842, 59249999, 118499998]

約数ペア:

[(1, 118499998), (2, 59249999), (19, 6236842), (38, 3118421), (149, 795302), (298, 397651), (2831, 41858), (5662, 20929)]