18074960

素因数分解:

$2^4\times 5^1\times {\mathrm{101}}^1\times {\mathrm{2237}}^1$

素因数の和:2351

約数の個数: 40

約数和(自身を含む): 42459336

約数和(自身を除く): 24384376

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 101, 202, 404, 505, 808, 1010, 1616, 2020, 2237, 4040, 4474, 8080, 8948, 11185, 17896, 22370, 35792, 44740, 89480, 178960, 225937, 451874, 903748, 1129685, 1807496, 2259370, 3614992, 4518740, 9037480, 18074960]

約数ペア:

[(1, 18074960), (2, 9037480), (4, 4518740), (5, 3614992), (8, 2259370), (10, 1807496), (16, 1129685), (20, 903748), (40, 451874), (80, 225937), (101, 178960), (202, 89480), (404, 44740), (505, 35792), (808, 22370), (1010, 17896), (1616, 11185), (2020, 8948), (2237, 8080), (4040, 4474)]