18514640

素因数分解:

$2^4\times 5^1\times {\mathrm{231433}}^1$

素因数の和:231446

約数の個数: 20

約数和(自身を含む): 43046724

約数和(自身を除く): 24532084

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 231433, 462866, 925732, 1157165, 1851464, 2314330, 3702928, 4628660, 9257320, 18514640]

約数ペア:

[(1, 18514640), (2, 9257320), (4, 4628660), (5, 3702928), (8, 2314330), (10, 1851464), (16, 1157165), (20, 925732), (40, 462866), (80, 231433)]