18211919

素因数分解:

${\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{139}}^1\times {\mathrm{277}}^1$

素因数の和:470

約数の個数: 16

約数和(自身を含む): 20549760

約数和(自身を除く): 2337841

約数列:

[1, 11, 43, 139, 277, 473, 1529, 3047, 5977, 11911, 38503, 65747, 131021, 423533, 1655629, 18211919]

約数ペア:

[(1, 18211919), (11, 1655629), (43, 423533), (139, 131021), (277, 65747), (473, 38503), (1529, 11911), (3047, 5977)]