18229580

素因数分解:

$2^2\times 5^1\times {\mathrm{127}}^1\times {\mathrm{7177}}^1$

素因数の和:7313

約数の個数: 24

約数和(自身を含む): 38588928

約数和(自身を除く): 20359348

約数列:

[1, 2, 4, 5, 10, 20, 127, 254, 508, 635, 1270, 2540, 7177, 14354, 28708, 35885, 71770, 143540, 911479, 1822958, 3645916, 4557395, 9114790, 18229580]

約数ペア:

[(1, 18229580), (2, 9114790), (4, 4557395), (5, 3645916), (10, 1822958), (20, 911479), (127, 143540), (254, 71770), (508, 35885), (635, 28708), (1270, 14354), (2540, 7177)]