19811679314

素因数分解:

$2^1\times 7^3\times {\mathrm{28879999}}^1$

素因数の和:28880022

約数の個数: 16

約数和(自身を含む): 34656000000

約数和(自身を除く): 14844320686

約数列:

[1, 2, 7, 14, 49, 98, 343, 686, 28879999, 57759998, 202159993, 404319986, 1415119951, 2830239902, 9905839657, 19811679314]

約数ペア:

[(1, 19811679314), (2, 9905839657), (7, 2830239902), (14, 1415119951), (49, 404319986), (98, 202159993), (343, 57759998), (686, 28879999)]