18277480

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{35149}}^1$

素因数の和:35173

約数の個数: 32

約数和(自身を含む): 44289000

約数和(自身を除く): 26011520

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 35149, 70298, 140596, 175745, 281192, 351490, 456937, 702980, 913874, 1405960, 1827748, 2284685, 3655496, 4569370, 9138740, 18277480]

約数ペア:

[(1, 18277480), (2, 9138740), (4, 4569370), (5, 3655496), (8, 2284685), (10, 1827748), (13, 1405960), (20, 913874), (26, 702980), (40, 456937), (52, 351490), (65, 281192), (104, 175745), (130, 140596), (260, 70298), (520, 35149)]