18856630

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{1987}}^1$

素因数の和:2080

約数の個数: 32

約数和(自身を含む): 37072224

約数和(自身を除く): 18215594

約数列:

[1, 2, 5, 10, 13, 26, 65, 73, 130, 146, 365, 730, 949, 1898, 1987, 3974, 4745, 9490, 9935, 19870, 25831, 51662, 129155, 145051, 258310, 290102, 725255, 1450510, 1885663, 3771326, 9428315, 18856630]

約数ペア:

[(1, 18856630), (2, 9428315), (5, 3771326), (10, 1885663), (13, 1450510), (26, 725255), (65, 290102), (73, 258310), (130, 145051), (146, 129155), (365, 51662), (730, 25831), (949, 19870), (1898, 9935), (1987, 9490), (3974, 4745)]