18208646

素因数分解:

$2^1\times {\mathrm{47}}^1\times {\mathrm{97}}^1\times {\mathrm{1997}}^1$

素因数の和:2143

約数の個数: 16

約数和(自身を含む): 28195776

約数和(自身を除く): 9987130

約数列:

[1, 2, 47, 94, 97, 194, 1997, 3994, 4559, 9118, 93859, 187718, 193709, 387418, 9104323, 18208646]

約数ペア:

[(1, 18208646), (2, 9104323), (47, 387418), (94, 193709), (97, 187718), (194, 93859), (1997, 9118), (3994, 4559)]