18880173

素因数分解:

$3^2\times {\mathrm{13}}^2\times {\mathrm{12413}}^1$

素因数の和:12445

約数の個数: 18

約数和(自身を含む): 29532906

約数和(自身を除く): 10652733

約数列:

[1, 3, 9, 13, 39, 117, 169, 507, 1521, 12413, 37239, 111717, 161369, 484107, 1452321, 2097797, 6293391, 18880173]

約数ペア:

[(1, 18880173), (3, 6293391), (9, 2097797), (13, 1452321), (39, 484107), (117, 161369), (169, 111717), (507, 37239), (1521, 12413)]