18734391

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{9419}}^1$

素因数の和:9455

約数の個数: 24

約数和(自身を含む): 30859920

約数和(自身を除く): 12125529

約数列:

[1, 3, 9, 13, 17, 39, 51, 117, 153, 221, 663, 1989, 9419, 28257, 84771, 122447, 160123, 367341, 480369, 1102023, 1441107, 2081599, 6244797, 18734391]

約数ペア:

[(1, 18734391), (3, 6244797), (9, 2081599), (13, 1441107), (17, 1102023), (39, 480369), (51, 367341), (117, 160123), (153, 122447), (221, 84771), (663, 28257), (1989, 9419)]