18405112

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{199}}^1\times {\mathrm{1051}}^1$

素因数の和:1267

約数の個数: 32

約数和(自身を含む): 37872000

約数和(自身を除く): 19466888

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 199, 398, 796, 1051, 1592, 2102, 2189, 4204, 4378, 8408, 8756, 11561, 17512, 23122, 46244, 92488, 209149, 418298, 836596, 1673192, 2300639, 4601278, 9202556, 18405112]

約数ペア:

[(1, 18405112), (2, 9202556), (4, 4601278), (8, 2300639), (11, 1673192), (22, 836596), (44, 418298), (88, 209149), (199, 92488), (398, 46244), (796, 23122), (1051, 17512), (1592, 11561), (2102, 8756), (2189, 8408), (4204, 4378)]