18743380

素因数分解:

$2^2\times 5^1\times {\mathrm{859}}^1\times {\mathrm{1091}}^1$

素因数の和:1959

約数の個数: 24

約数和(自身を含む): 39443040

約数和(自身を除く): 20699660

約数列:

[1, 2, 4, 5, 10, 20, 859, 1091, 1718, 2182, 3436, 4295, 4364, 5455, 8590, 10910, 17180, 21820, 937169, 1874338, 3748676, 4685845, 9371690, 18743380]

約数ペア:

[(1, 18743380), (2, 9371690), (4, 4685845), (5, 3748676), (10, 1874338), (20, 937169), (859, 21820), (1091, 17180), (1718, 10910), (2182, 8590), (3436, 5455), (4295, 4364)]