19823140

素因数分解:

$2^2\times 5^1\times {\mathrm{311}}^1\times {\mathrm{3187}}^1$

素因数の和:3507

約数の個数: 24

約数和(自身を含む): 41775552

約数和(自身を除く): 21952412

約数列:

[1, 2, 4, 5, 10, 20, 311, 622, 1244, 1555, 3110, 3187, 6220, 6374, 12748, 15935, 31870, 63740, 991157, 1982314, 3964628, 4955785, 9911570, 19823140]

約数ペア:

[(1, 19823140), (2, 9911570), (4, 4955785), (5, 3964628), (10, 1982314), (20, 991157), (311, 63740), (622, 31870), (1244, 15935), (1555, 12748), (3110, 6374), (3187, 6220)]