19659910

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{47951}}^1$

素因数の和:47999

約数の個数: 16

約数和(自身を含む): 36251712

約数和(自身を除く): 16591802

約数列:

[1, 2, 5, 10, 41, 82, 205, 410, 47951, 95902, 239755, 479510, 1965991, 3931982, 9829955, 19659910]

約数ペア:

[(1, 19659910), (2, 9829955), (5, 3931982), (10, 1965991), (41, 479510), (82, 239755), (205, 95902), (410, 47951)]