18946895

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{18131}}^1$

素因数の和:18166

約数の個数: 16

約数和(自身を含む): 26110080

約数和(自身を除く): 7163185

約数列:

[1, 5, 11, 19, 55, 95, 209, 1045, 18131, 90655, 199441, 344489, 997205, 1722445, 3789379, 18946895]

約数ペア:

[(1, 18946895), (5, 3789379), (11, 1722445), (19, 997205), (55, 344489), (95, 199441), (209, 90655), (1045, 18131)]