18643740

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{310729}}^1$

素因数の和:310741

約数の個数: 24

約数和(自身を含む): 52202640

約数和(自身を除く): 33558900

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 310729, 621458, 932187, 1242916, 1553645, 1864374, 3107290, 3728748, 4660935, 6214580, 9321870, 18643740]

約数ペア:

[(1, 18643740), (2, 9321870), (3, 6214580), (4, 4660935), (5, 3728748), (6, 3107290), (10, 1864374), (12, 1553645), (15, 1242916), (20, 932187), (30, 621458), (60, 310729)]