18537398

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{419}}^1\times {\mathrm{2011}}^1$

素因数の和:2443

約数の個数: 16

約数和(自身を含む): 30421440

約数和(自身を除く): 11884042

約数列:

[1, 2, 11, 22, 419, 838, 2011, 4022, 4609, 9218, 22121, 44242, 842609, 1685218, 9268699, 18537398]

約数ペア:

[(1, 18537398), (2, 9268699), (11, 1685218), (22, 842609), (419, 44242), (838, 22121), (2011, 9218), (4022, 4609)]