18632679

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{239}}^1\times {\mathrm{1999}}^1$

素因数の和:2254

約数の個数: 16

約数和(自身を含む): 26880000

約数和(自身を除く): 8247321

約数列:

[1, 3, 13, 39, 239, 717, 1999, 3107, 5997, 9321, 25987, 77961, 477761, 1433283, 6210893, 18632679]

約数ペア:

[(1, 18632679), (3, 6210893), (13, 1433283), (39, 477761), (239, 77961), (717, 25987), (1999, 9321), (3107, 5997)]