18715437

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{8419}}^1$

素因数の和:8457

約数の個数: 24

約数和(自身を含む): 30648800

約数和(自身を除く): 11933363

約数列:

[1, 3, 9, 13, 19, 39, 57, 117, 171, 247, 741, 2223, 8419, 25257, 75771, 109447, 159961, 328341, 479883, 985023, 1439649, 2079493, 6238479, 18715437]

約数ペア:

[(1, 18715437), (3, 6238479), (9, 2079493), (13, 1439649), (19, 985023), (39, 479883), (57, 328341), (117, 159961), (171, 109447), (247, 75771), (741, 25257), (2223, 8419)]