18720708

素因数分解:

$2^2\times 3^1\times {\mathrm{1560059}}^1$

素因数の和:1560066

約数の個数: 12

約数和(自身を含む): 43681680

約数和(自身を除く): 24960972

約数列:

[1, 2, 3, 4, 6, 12, 1560059, 3120118, 4680177, 6240236, 9360354, 18720708]

約数ペア:

[(1, 18720708), (2, 9360354), (3, 6240236), (4, 4680177), (6, 3120118), (12, 1560059)]