18078808

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{205441}}^1$

素因数の和:205458

約数の個数: 16

約数和(自身を含む): 36979560

約数和(自身を除く): 18900752

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 205441, 410882, 821764, 1643528, 2259851, 4519702, 9039404, 18078808]

約数ペア:

[(1, 18078808), (2, 9039404), (4, 4519702), (8, 2259851), (11, 1643528), (22, 821764), (44, 410882), (88, 205441)]