19706939

素因数分解:

$7^1\times {\mathrm{83}}^1\times {\mathrm{107}}^1\times {\mathrm{317}}^1$

素因数の和:514

約数の個数: 16

約数和(自身を含む): 23079168

約数和(自身を除く): 3372229

約数列:

[1, 7, 83, 107, 317, 581, 749, 2219, 8881, 26311, 33919, 62167, 184177, 237433, 2815277, 19706939]

約数ペア:

[(1, 19706939), (7, 2815277), (83, 237433), (107, 184177), (317, 62167), (581, 33919), (749, 26311), (2219, 8881)]