18982160

素因数分解:

$2^4\times 5^1\times {\mathrm{237277}}^1$

素因数の和:237290

約数の個数: 20

約数和(自身を含む): 44133708

約数和(自身を除く): 25151548

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 237277, 474554, 949108, 1186385, 1898216, 2372770, 3796432, 4745540, 9491080, 18982160]

約数ペア:

[(1, 18982160), (2, 9491080), (4, 4745540), (5, 3796432), (8, 2372770), (10, 1898216), (16, 1186385), (20, 949108), (40, 474554), (80, 237277)]