18422440

素因数分解:

$2^3\times 5^1\times {\mathrm{460561}}^1$

素因数の和:460572

約数の個数: 16

約数和(自身を含む): 41450580

約数和(自身を除く): 23028140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 460561, 921122, 1842244, 2302805, 3684488, 4605610, 9211220, 18422440]

約数ペア:

[(1, 18422440), (2, 9211220), (4, 4605610), (5, 3684488), (8, 2302805), (10, 1842244), (20, 921122), (40, 460561)]