19996848

素因数分解:

$2^4\times 3^3\times {\mathrm{41}}^1\times {\mathrm{1129}}^1$

素因数の和:1187

約数の個数: 80

約数和(自身を含む): 58850400

約数和(自身を除く): 38853552

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 36, 41, 48, 54, 72, 82, 108, 123, 144, 164, 216, 246, 328, 369, 432, 492, 656, 738, 984, 1107, 1129, 1476, 1968, 2214, 2258, 2952, 3387, 4428, 4516, 5904, 6774, 8856, 9032, 10161, 13548, 17712, 18064, 20322, 27096, 30483, 40644, 46289, 54192, 60966, 81288, 92578, 121932, 138867, 162576, 185156, 243864, 277734, 370312, 416601, 487728, 555468, 740624, 833202, 1110936, 1249803, 1666404, 2221872, 2499606, 3332808, 4999212, 6665616, 9998424, 19996848]

約数ペア:

[(1, 19996848), (2, 9998424), (3, 6665616), (4, 4999212), (6, 3332808), (8, 2499606), (9, 2221872), (12, 1666404), (16, 1249803), (18, 1110936), (24, 833202), (27, 740624), (36, 555468), (41, 487728), (48, 416601), (54, 370312), (72, 277734), (82, 243864), (108, 185156), (123, 162576), (144, 138867), (164, 121932), (216, 92578), (246, 81288), (328, 60966), (369, 54192), (432, 46289), (492, 40644), (656, 30483), (738, 27096), (984, 20322), (1107, 18064), (1129, 17712), (1476, 13548), (1968, 10161), (2214, 9032), (2258, 8856), (2952, 6774), (3387, 5904), (4428, 4516)]