18870768

素因数分解:

$2^4\times 3^2\times 7^1\times {\mathrm{97}}^1\times {\mathrm{193}}^1$

素因数の和:311

約数の個数: 120

約数和(自身を含む): 61294688

約数和(自身を除く): 42423920

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 36, 42, 48, 56, 63, 72, 84, 97, 112, 126, 144, 168, 193, 194, 252, 291, 336, 386, 388, 504, 579, 582, 679, 772, 776, 873, 1008, 1158, 1164, 1351, 1358, 1544, 1552, 1737, 1746, 2037, 2316, 2328, 2702, 2716, 3088, 3474, 3492, 4053, 4074, 4632, 4656, 5404, 5432, 6111, 6948, 6984, 8106, 8148, 9264, 10808, 10864, 12159, 12222, 13896, 13968, 16212, 16296, 18721, 21616, 24318, 24444, 27792, 32424, 32592, 37442, 48636, 48888, 56163, 64848, 74884, 97272, 97776, 112326, 131047, 149768, 168489, 194544, 224652, 262094, 299536, 336978, 393141, 449304, 524188, 673956, 786282, 898608, 1048376, 1179423, 1347912, 1572564, 2096752, 2358846, 2695824, 3145128, 4717692, 6290256, 9435384, 18870768]

約数ペア:

[(1, 18870768), (2, 9435384), (3, 6290256), (4, 4717692), (6, 3145128), (7, 2695824), (8, 2358846), (9, 2096752), (12, 1572564), (14, 1347912), (16, 1179423), (18, 1048376), (21, 898608), (24, 786282), (28, 673956), (36, 524188), (42, 449304), (48, 393141), (56, 336978), (63, 299536), (72, 262094), (84, 224652), (97, 194544), (112, 168489), (126, 149768), (144, 131047), (168, 112326), (193, 97776), (194, 97272), (252, 74884), (291, 64848), (336, 56163), (386, 48888), (388, 48636), (504, 37442), (579, 32592), (582, 32424), (679, 27792), (772, 24444), (776, 24318), (873, 21616), (1008, 18721), (1158, 16296), (1164, 16212), (1351, 13968), (1358, 13896), (1544, 12222), (1552, 12159), (1737, 10864), (1746, 10808), (2037, 9264), (2316, 8148), (2328, 8106), (2702, 6984), (2716, 6948), (3088, 6111), (3474, 5432), (3492, 5404), (4053, 4656), (4074, 4632)]