18912872

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{7411}}^1$

素因数の和:7457

約数の個数: 32

約数和(自身を含む): 40024800

約数和(自身を除く): 21111928

約数列:

[1, 2, 4, 8, 11, 22, 29, 44, 58, 88, 116, 232, 319, 638, 1276, 2552, 7411, 14822, 29644, 59288, 81521, 163042, 214919, 326084, 429838, 652168, 859676, 1719352, 2364109, 4728218, 9456436, 18912872]

約数ペア:

[(1, 18912872), (2, 9456436), (4, 4728218), (8, 2364109), (11, 1719352), (22, 859676), (29, 652168), (44, 429838), (58, 326084), (88, 214919), (116, 163042), (232, 81521), (319, 59288), (638, 29644), (1276, 14822), (2552, 7411)]