17998618

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{28211}}^1$

素因数の和:28253

約数の個数: 16

約数和(自身を含む): 30468960

約数和(自身を除く): 12470342

約数列:

[1, 2, 11, 22, 29, 58, 319, 638, 28211, 56422, 310321, 620642, 818119, 1636238, 8999309, 17998618]

約数ペア:

[(1, 17998618), (2, 8999309), (11, 1636238), (22, 818119), (29, 620642), (58, 310321), (319, 56422), (638, 28211)]