18221788

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{2521}}^1$

素因数の和:2677

約数の個数: 24

約数和(自身を含む): 34601840

約数和(自身を除く): 16380052

約数列:

[1, 2, 4, 13, 26, 52, 139, 278, 556, 1807, 2521, 3614, 5042, 7228, 10084, 32773, 65546, 131092, 350419, 700838, 1401676, 4555447, 9110894, 18221788]

約数ペア:

[(1, 18221788), (2, 9110894), (4, 4555447), (13, 1401676), (26, 700838), (52, 350419), (139, 131092), (278, 65546), (556, 32773), (1807, 10084), (2521, 7228), (3614, 5042)]