18736627

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{1999}}^1$

素因数の和:2122

約数の個数: 16

約数和(自身を含む): 23296000

約数和(自身を除く): 4559373

約数列:

[1, 7, 13, 91, 103, 721, 1339, 1999, 9373, 13993, 25987, 181909, 205897, 1441279, 2676661, 18736627]

約数ペア:

[(1, 18736627), (7, 2676661), (13, 1441279), (91, 205897), (103, 181909), (721, 25987), (1339, 13993), (1999, 9373)]