18477520

素因数分解:

$2^4\times 5^1\times {\mathrm{230969}}^1$

素因数の和:230982

約数の個数: 20

約数和(自身を含む): 42960420

約数和(自身を除く): 24482900

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 230969, 461938, 923876, 1154845, 1847752, 2309690, 3695504, 4619380, 9238760, 18477520]

約数ペア:

[(1, 18477520), (2, 9238760), (4, 4619380), (5, 3695504), (8, 2309690), (10, 1847752), (16, 1154845), (20, 923876), (40, 461938), (80, 230969)]