18804519925

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{199}}^1\times {\mathrm{198937}}^1$

素因数の和:199165

約数の個数: 24

約数和(自身を含む): 24668312000

約数和(自身を除く): 5863792075

約数列:

[1, 5, 19, 25, 95, 199, 475, 995, 3781, 4975, 18905, 94525, 198937, 994685, 3779803, 4973425, 18899015, 39588463, 94495075, 197942315, 752180797, 989711575, 3760903985, 18804519925]

約数ペア:

[(1, 18804519925), (5, 3760903985), (19, 989711575), (25, 752180797), (95, 197942315), (199, 94495075), (475, 39588463), (995, 18899015), (3781, 4973425), (4975, 3779803), (18905, 994685), (94525, 198937)]