18047239

素因数分解:

$7^2\times {\mathrm{31}}^1\times {\mathrm{109}}^2$

素因数の和:263

約数の個数: 18

約数和(自身を含む): 21871584

約数和(自身を除く): 3824345

約数列:

[1, 7, 31, 49, 109, 217, 763, 1519, 3379, 5341, 11881, 23653, 83167, 165571, 368311, 582169, 2578177, 18047239]

約数ペア:

[(1, 18047239), (7, 2578177), (31, 582169), (49, 368311), (109, 165571), (217, 83167), (763, 23653), (1519, 11881), (3379, 5341)]