19138145

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{3727}}^1$

素因数の和:3824

約数の個数: 16

約数和(自身を含む): 25052160

約数和(自身を除く): 5914015

約数列:

[1, 5, 13, 65, 79, 395, 1027, 3727, 5135, 18635, 48451, 242255, 294433, 1472165, 3827629, 19138145]

約数ペア:

[(1, 19138145), (5, 3827629), (13, 1472165), (65, 294433), (79, 242255), (395, 48451), (1027, 18635), (3727, 5135)]