19866301

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{5077}}^1$

素因数の和:5140

約数の個数: 16

約数和(自身を含む): 25024384

約数和(自身を除く): 5158083

約数列:

[1, 7, 13, 43, 91, 301, 559, 3913, 5077, 35539, 66001, 218311, 462007, 1528177, 2838043, 19866301]

約数ペア:

[(1, 19866301), (7, 2838043), (13, 1528177), (43, 462007), (91, 218311), (301, 66001), (559, 35539), (3913, 5077)]