18142160

素因数分解:

$2^4\times 5^1\times {\mathrm{226777}}^1$

素因数の和:226790

約数の個数: 20

約数和(自身を含む): 42180708

約数和(自身を除く): 24038548

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 226777, 453554, 907108, 1133885, 1814216, 2267770, 3628432, 4535540, 9071080, 18142160]

約数ペア:

[(1, 18142160), (2, 9071080), (4, 4535540), (5, 3628432), (8, 2267770), (10, 1814216), (16, 1133885), (20, 907108), (40, 453554), (80, 226777)]