20180177116

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{458640389}}^1$

素因数の和:458640404

約数の個数: 12

約数和(自身を含む): 38525792760

約数和(自身を除く): 18345615644

約数列:

[1, 2, 4, 11, 22, 44, 458640389, 917280778, 1834561556, 5045044279, 10090088558, 20180177116]

約数ペア:

[(1, 20180177116), (2, 10090088558), (4, 5045044279), (11, 1834561556), (22, 917280778), (44, 458640389)]