19841570

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{40493}}^1$

素因数の和:40514

約数の個数: 24

約数和(自身を含む): 41546844

約数和(自身を除く): 21705274

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 40493, 80986, 202465, 283451, 404930, 566902, 1417255, 1984157, 2834510, 3968314, 9920785, 19841570]

約数ペア:

[(1, 19841570), (2, 9920785), (5, 3968314), (7, 2834510), (10, 1984157), (14, 1417255), (35, 566902), (49, 404930), (70, 283451), (98, 202465), (245, 80986), (490, 40493)]