18418796

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{647}}^2$

素因数の和:1309

約数の個数: 18

約数和(自身を含む): 35217588

約数和(自身を除く): 16798792

約数列:

[1, 2, 4, 11, 22, 44, 647, 1294, 2588, 7117, 14234, 28468, 418609, 837218, 1674436, 4604699, 9209398, 18418796]

約数ペア:

[(1, 18418796), (2, 9209398), (4, 4604699), (11, 1674436), (22, 837218), (44, 418609), (647, 28468), (1294, 14234), (2588, 7117)]