18886960

素因数分解:

$2^4\times 5^1\times {\mathrm{236087}}^1$

素因数の和:236100

約数の個数: 20

約数和(自身を含む): 43912368

約数和(自身を除く): 25025408

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 236087, 472174, 944348, 1180435, 1888696, 2360870, 3777392, 4721740, 9443480, 18886960]

約数ペア:

[(1, 18886960), (2, 9443480), (4, 4721740), (5, 3777392), (8, 2360870), (10, 1888696), (16, 1180435), (20, 944348), (40, 472174), (80, 236087)]