19862390

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{68491}}^1$

素因数の和:68527

約数の個数: 16

約数和(自身を含む): 36985680

約数和(自身を除く): 17123290

約数列:

[1, 2, 5, 10, 29, 58, 145, 290, 68491, 136982, 342455, 684910, 1986239, 3972478, 9931195, 19862390]

約数ペア:

[(1, 19862390), (2, 9931195), (5, 3972478), (10, 1986239), (29, 684910), (58, 342455), (145, 136982), (290, 68491)]