20180991762

素因数分解:

$2^1\times 3^2\times {\mathrm{1121166209}}^1$

素因数の和:1121166217

約数の個数: 12

約数和(自身を含む): 43725482190

約数和(自身を除く): 23544490428

約数列:

[1, 2, 3, 6, 9, 18, 1121166209, 2242332418, 3363498627, 6726997254, 10090495881, 20180991762]

約数ペア:

[(1, 20180991762), (2, 10090495881), (3, 6726997254), (6, 3363498627), (9, 2242332418), (18, 1121166209)]