19990054465

素因数分解:

$5^1\times {\mathrm{199}}^1\times {\mathrm{1567}}^1\times {\mathrm{12821}}^1$

素因数の和:14592

約数の個数: 16

約数和(自身を含む): 24125875200

約数和(自身を除く): 4135820735

約数列:

[1, 5, 199, 995, 1567, 7835, 12821, 64105, 311833, 1559165, 2551379, 12756895, 20090507, 100452535, 3998010893, 19990054465]

約数ペア:

[(1, 19990054465), (5, 3998010893), (199, 100452535), (995, 20090507), (1567, 12756895), (7835, 2551379), (12821, 1559165), (64105, 311833)]