18918295

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^2\times {\mathrm{409}}^1$

素因数の和:483

約数の個数: 24

約数和(自身を含む): 25711920

約数和(自身を除く): 6793625

約数列:

[1, 5, 11, 29, 55, 145, 319, 409, 841, 1595, 2045, 4205, 4499, 9251, 11861, 22495, 46255, 59305, 130471, 343969, 652355, 1719845, 3783659, 18918295]

約数ペア:

[(1, 18918295), (5, 3783659), (11, 1719845), (29, 652355), (55, 343969), (145, 130471), (319, 59305), (409, 46255), (841, 22495), (1595, 11861), (2045, 9251), (4205, 4499)]