18006736

素因数分解:

$2^4\times {\mathrm{11}}^2\times {\mathrm{71}}^1\times {\mathrm{131}}^1$

素因数の和:232

約数の個数: 60

約数和(自身を含む): 39184992

約数和(自身を除く): 21178256

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 71, 88, 121, 131, 142, 176, 242, 262, 284, 484, 524, 568, 781, 968, 1048, 1136, 1441, 1562, 1936, 2096, 2882, 3124, 5764, 6248, 8591, 9301, 11528, 12496, 15851, 17182, 18602, 23056, 31702, 34364, 37204, 63404, 68728, 74408, 102311, 126808, 137456, 148816, 204622, 253616, 409244, 818488, 1125421, 1636976, 2250842, 4501684, 9003368, 18006736]

約数ペア:

[(1, 18006736), (2, 9003368), (4, 4501684), (8, 2250842), (11, 1636976), (16, 1125421), (22, 818488), (44, 409244), (71, 253616), (88, 204622), (121, 148816), (131, 137456), (142, 126808), (176, 102311), (242, 74408), (262, 68728), (284, 63404), (484, 37204), (524, 34364), (568, 31702), (781, 23056), (968, 18602), (1048, 17182), (1136, 15851), (1441, 12496), (1562, 11528), (1936, 9301), (2096, 8591), (2882, 6248), (3124, 5764)]