18118233

素因数分解:

$3^2\times 7^1\times {\mathrm{139}}^1\times {\mathrm{2069}}^1$

素因数の和:2221

約数の個数: 24

約数和(自身を含む): 30139200

約数和(自身を除く): 12020967

約数列:

[1, 3, 7, 9, 21, 63, 139, 417, 973, 1251, 2069, 2919, 6207, 8757, 14483, 18621, 43449, 130347, 287591, 862773, 2013137, 2588319, 6039411, 18118233]

約数ペア:

[(1, 18118233), (3, 6039411), (7, 2588319), (9, 2013137), (21, 862773), (63, 287591), (139, 130347), (417, 43449), (973, 18621), (1251, 14483), (2069, 8757), (2919, 6207)]