18386960

素因数分解:

$2^4\times 5^1\times {\mathrm{229837}}^1$

素因数の和:229850

約数の個数: 20

約数和(自身を含む): 42749868

約数和(自身を除く): 24362908

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 229837, 459674, 919348, 1149185, 1838696, 2298370, 3677392, 4596740, 9193480, 18386960]

約数ペア:

[(1, 18386960), (2, 9193480), (4, 4596740), (5, 3677392), (8, 2298370), (10, 1838696), (16, 1149185), (20, 919348), (40, 459674), (80, 229837)]