19882488

素因数分解:

$2^3\times 3^1\times {\mathrm{23}}^1\times {\mathrm{181}}^1\times {\mathrm{199}}^1$

素因数の和:412

約数の個数: 64

約数和(自身を含む): 52416000

約数和(自身を除く): 32533512

約数列:

[1, 2, 3, 4, 6, 8, 12, 23, 24, 46, 69, 92, 138, 181, 184, 199, 276, 362, 398, 543, 552, 597, 724, 796, 1086, 1194, 1448, 1592, 2172, 2388, 4163, 4344, 4577, 4776, 8326, 9154, 12489, 13731, 16652, 18308, 24978, 27462, 33304, 36019, 36616, 49956, 54924, 72038, 99912, 108057, 109848, 144076, 216114, 288152, 432228, 828437, 864456, 1656874, 2485311, 3313748, 4970622, 6627496, 9941244, 19882488]

約数ペア:

[(1, 19882488), (2, 9941244), (3, 6627496), (4, 4970622), (6, 3313748), (8, 2485311), (12, 1656874), (23, 864456), (24, 828437), (46, 432228), (69, 288152), (92, 216114), (138, 144076), (181, 109848), (184, 108057), (199, 99912), (276, 72038), (362, 54924), (398, 49956), (543, 36616), (552, 36019), (597, 33304), (724, 27462), (796, 24978), (1086, 18308), (1194, 16652), (1448, 13731), (1592, 12489), (2172, 9154), (2388, 8326), (4163, 4776), (4344, 4577)]