19712834

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{4877}}^1$

素因数の和:4969

約数の個数: 16

約数和(自身を含む): 30907008

約数和(自身を除く): 11194174

約数列:

[1, 2, 43, 47, 86, 94, 2021, 4042, 4877, 9754, 209711, 229219, 419422, 458438, 9856417, 19712834]

約数ペア:

[(1, 19712834), (2, 9856417), (43, 458438), (47, 419422), (86, 229219), (94, 209711), (2021, 9754), (4042, 4877)]