18474640

素因数分解:

$2^4\times 5^1\times {\mathrm{230933}}^1$

素因数の和:230946

約数の個数: 20

約数和(自身を含む): 42953724

約数和(自身を除く): 24479084

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 230933, 461866, 923732, 1154665, 1847464, 2309330, 3694928, 4618660, 9237320, 18474640]

約数ペア:

[(1, 18474640), (2, 9237320), (4, 4618660), (5, 3694928), (8, 2309330), (10, 1847464), (16, 1154665), (20, 923732), (40, 461866), (80, 230933)]