18813144

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{113}}^1\times {\mathrm{991}}^1$

素因数の和:1120

約数の個数: 64

約数和(自身を含む): 54282240

約数和(自身を除く): 35469096

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 84, 113, 168, 226, 339, 452, 678, 791, 904, 991, 1356, 1582, 1982, 2373, 2712, 2973, 3164, 3964, 4746, 5946, 6328, 6937, 7928, 9492, 11892, 13874, 18984, 20811, 23784, 27748, 41622, 55496, 83244, 111983, 166488, 223966, 335949, 447932, 671898, 783881, 895864, 1343796, 1567762, 2351643, 2687592, 3135524, 4703286, 6271048, 9406572, 18813144]

約数ペア:

[(1, 18813144), (2, 9406572), (3, 6271048), (4, 4703286), (6, 3135524), (7, 2687592), (8, 2351643), (12, 1567762), (14, 1343796), (21, 895864), (24, 783881), (28, 671898), (42, 447932), (56, 335949), (84, 223966), (113, 166488), (168, 111983), (226, 83244), (339, 55496), (452, 41622), (678, 27748), (791, 23784), (904, 20811), (991, 18984), (1356, 13874), (1582, 11892), (1982, 9492), (2373, 7928), (2712, 6937), (2973, 6328), (3164, 5946), (3964, 4746)]