19392550

素因数分解:

$2^1\times 5^2\times {\mathrm{199}}^1\times {\mathrm{1949}}^1$

素因数の和:2160

約数の個数: 24

約数和(自身を含む): 36270000

約数和(自身を除く): 16877450

約数列:

[1, 2, 5, 10, 25, 50, 199, 398, 995, 1949, 1990, 3898, 4975, 9745, 9950, 19490, 48725, 97450, 387851, 775702, 1939255, 3878510, 9696275, 19392550]

約数ペア:

[(1, 19392550), (2, 9696275), (5, 3878510), (10, 1939255), (25, 775702), (50, 387851), (199, 97450), (398, 48725), (995, 19490), (1949, 9950), (1990, 9745), (3898, 4975)]