18853731

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{9479}}^1$

素因数の和:9515

約数の個数: 24

約数和(自身を含む): 31056480

約数和(自身を除く): 12202749

約数列:

[1, 3, 9, 13, 17, 39, 51, 117, 153, 221, 663, 1989, 9479, 28437, 85311, 123227, 161143, 369681, 483429, 1109043, 1450287, 2094859, 6284577, 18853731]

約数ペア:

[(1, 18853731), (3, 6284577), (9, 2094859), (13, 1450287), (17, 1109043), (39, 483429), (51, 369681), (117, 161143), (153, 123227), (221, 85311), (663, 28437), (1989, 9479)]