18424880

素因数分解:

$2^4\times 5^1\times {\mathrm{230311}}^1$

素因数の和:230324

約数の個数: 20

約数和(自身を含む): 42838032

約数和(自身を除く): 24413152

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 230311, 460622, 921244, 1151555, 1842488, 2303110, 3684976, 4606220, 9212440, 18424880]

約数ペア:

[(1, 18424880), (2, 9212440), (4, 4606220), (5, 3684976), (8, 2303110), (10, 1842488), (16, 1151555), (20, 921244), (40, 460622), (80, 230311)]