18320086

素因数分解:

$2^1\times {\mathrm{53}}^1\times {\mathrm{401}}^1\times {\mathrm{431}}^1$

素因数の和:887

約数の個数: 16

約数和(自身を含む): 28133568

約数和(自身を除く): 9813482

約数列:

[1, 2, 53, 106, 401, 431, 802, 862, 21253, 22843, 42506, 45686, 172831, 345662, 9160043, 18320086]

約数ペア:

[(1, 18320086), (2, 9160043), (53, 345662), (106, 172831), (401, 45686), (431, 42506), (802, 22843), (862, 21253)]