18190160

素因数分解:

$2^4\times 5^1\times {\mathrm{227377}}^1$

素因数の和:227390

約数の個数: 20

約数和(自身を含む): 42292308

約数和(自身を除く): 24102148

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 227377, 454754, 909508, 1136885, 1819016, 2273770, 3638032, 4547540, 9095080, 18190160]

約数ペア:

[(1, 18190160), (2, 9095080), (4, 4547540), (5, 3638032), (8, 2273770), (10, 1819016), (16, 1136885), (20, 909508), (40, 454754), (80, 227377)]