18522640

素因数分解:

$2^4\times 5^1\times {\mathrm{231533}}^1$

素因数の和:231546

約数の個数: 20

約数和(自身を含む): 43065324

約数和(自身を除く): 24542684

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 231533, 463066, 926132, 1157665, 1852264, 2315330, 3704528, 4630660, 9261320, 18522640]

約数ペア:

[(1, 18522640), (2, 9261320), (4, 4630660), (5, 3704528), (8, 2315330), (10, 1852264), (16, 1157665), (20, 926132), (40, 463066), (80, 231533)]