18591280

素因数分解:

$2^4\times 5^1\times {\mathrm{232391}}^1$

素因数の和:232404

約数の個数: 20

約数和(自身を含む): 43224912

約数和(自身を除く): 24633632

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 232391, 464782, 929564, 1161955, 1859128, 2323910, 3718256, 4647820, 9295640, 18591280]

約数ペア:

[(1, 18591280), (2, 9295640), (4, 4647820), (5, 3718256), (8, 2323910), (10, 1859128), (16, 1161955), (20, 929564), (40, 464782), (80, 232391)]