19791431

素因数分解:

${\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{137}}^1\times {\mathrm{571}}^1$

素因数の和:742

約数の個数: 16

約数和(自身を含む): 22733568

約数和(自身を除く): 2942137

約数列:

[1, 11, 23, 137, 253, 571, 1507, 3151, 6281, 13133, 34661, 78227, 144463, 860497, 1799221, 19791431]

約数ペア:

[(1, 19791431), (11, 1799221), (23, 860497), (137, 144463), (253, 78227), (571, 34661), (1507, 13133), (3151, 6281)]