18430808

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{209441}}^1$

素因数の和:209458

約数の個数: 16

約数和(自身を含む): 37699560

約数和(自身を除く): 19268752

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 209441, 418882, 837764, 1675528, 2303851, 4607702, 9215404, 18430808]

約数ペア:

[(1, 18430808), (2, 9215404), (4, 4607702), (8, 2303851), (11, 1675528), (22, 837764), (44, 418882), (88, 209441)]