18656496

素因数分解:

$2^4\times 3^2\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{131}}^1$

素因数の和:211

約数の個数: 120

約数和(自身を含む): 56174976

約数和(自身を除く): 37518480

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 23, 24, 36, 43, 46, 48, 69, 72, 86, 92, 129, 131, 138, 144, 172, 184, 207, 258, 262, 276, 344, 368, 387, 393, 414, 516, 524, 552, 688, 774, 786, 828, 989, 1032, 1048, 1104, 1179, 1548, 1572, 1656, 1978, 2064, 2096, 2358, 2967, 3013, 3096, 3144, 3312, 3956, 4716, 5633, 5934, 6026, 6192, 6288, 7912, 8901, 9039, 9432, 11266, 11868, 12052, 15824, 16899, 17802, 18078, 18864, 22532, 23736, 24104, 27117, 33798, 35604, 36156, 45064, 47472, 48208, 50697, 54234, 67596, 71208, 72312, 90128, 101394, 108468, 129559, 135192, 142416, 144624, 202788, 216936, 259118, 270384, 388677, 405576, 433872, 518236, 777354, 811152, 1036472, 1166031, 1554708, 2072944, 2332062, 3109416, 4664124, 6218832, 9328248, 18656496]

約数ペア:

[(1, 18656496), (2, 9328248), (3, 6218832), (4, 4664124), (6, 3109416), (8, 2332062), (9, 2072944), (12, 1554708), (16, 1166031), (18, 1036472), (23, 811152), (24, 777354), (36, 518236), (43, 433872), (46, 405576), (48, 388677), (69, 270384), (72, 259118), (86, 216936), (92, 202788), (129, 144624), (131, 142416), (138, 135192), (144, 129559), (172, 108468), (184, 101394), (207, 90128), (258, 72312), (262, 71208), (276, 67596), (344, 54234), (368, 50697), (387, 48208), (393, 47472), (414, 45064), (516, 36156), (524, 35604), (552, 33798), (688, 27117), (774, 24104), (786, 23736), (828, 22532), (989, 18864), (1032, 18078), (1048, 17802), (1104, 16899), (1179, 15824), (1548, 12052), (1572, 11868), (1656, 11266), (1978, 9432), (2064, 9039), (2096, 8901), (2358, 7912), (2967, 6288), (3013, 6192), (3096, 6026), (3144, 5934), (3312, 5633), (3956, 4716)]