18844040

素因数分解:

$2^3\times 5^1\times {\mathrm{471101}}^1$

素因数の和:471112

約数の個数: 16

約数和(自身を含む): 42399180

約数和(自身を除く): 23555140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 471101, 942202, 1884404, 2355505, 3768808, 4711010, 9422020, 18844040]

約数ペア:

[(1, 18844040), (2, 9422020), (4, 4711010), (5, 3768808), (8, 2355505), (10, 1884404), (20, 942202), (40, 471101)]