18262478

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{71}}^1\times {\mathrm{761}}^1$

素因数の和:860

約数の個数: 24

約数和(自身を含む): 30120336

約数和(自身を除く): 11857858

約数列:

[1, 2, 13, 26, 71, 142, 169, 338, 761, 923, 1522, 1846, 9893, 11999, 19786, 23998, 54031, 108062, 128609, 257218, 702403, 1404806, 9131239, 18262478]

約数ペア:

[(1, 18262478), (2, 9131239), (13, 1404806), (26, 702403), (71, 257218), (142, 128609), (169, 108062), (338, 54031), (761, 23998), (923, 19786), (1522, 11999), (1846, 9893)]