18516564

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{107}}^1$

素因数の和:170

約数の個数: 144

約数和(自身を含む): 56609280

約数和(自身を除く): 38092716

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 19, 22, 23, 33, 36, 38, 44, 46, 57, 66, 69, 76, 92, 99, 107, 114, 132, 138, 171, 198, 207, 209, 214, 228, 253, 276, 321, 342, 396, 414, 418, 428, 437, 506, 627, 642, 684, 759, 828, 836, 874, 963, 1012, 1177, 1254, 1284, 1311, 1518, 1748, 1881, 1926, 2033, 2277, 2354, 2461, 2508, 2622, 3036, 3531, 3762, 3852, 3933, 4066, 4554, 4708, 4807, 4922, 5244, 6099, 7062, 7383, 7524, 7866, 8132, 9108, 9614, 9844, 10593, 12198, 14124, 14421, 14766, 15732, 18297, 19228, 21186, 22149, 22363, 24396, 27071, 28842, 29532, 36594, 42372, 43263, 44298, 44726, 46759, 54142, 57684, 67089, 73188, 81213, 86526, 88596, 89452, 93518, 108284, 134178, 140277, 162426, 173052, 187036, 201267, 243639, 268356, 280554, 324852, 402534, 420831, 487278, 514349, 561108, 805068, 841662, 974556, 1028698, 1543047, 1683324, 2057396, 3086094, 4629141, 6172188, 9258282, 18516564]

約数ペア:

[(1, 18516564), (2, 9258282), (3, 6172188), (4, 4629141), (6, 3086094), (9, 2057396), (11, 1683324), (12, 1543047), (18, 1028698), (19, 974556), (22, 841662), (23, 805068), (33, 561108), (36, 514349), (38, 487278), (44, 420831), (46, 402534), (57, 324852), (66, 280554), (69, 268356), (76, 243639), (92, 201267), (99, 187036), (107, 173052), (114, 162426), (132, 140277), (138, 134178), (171, 108284), (198, 93518), (207, 89452), (209, 88596), (214, 86526), (228, 81213), (253, 73188), (276, 67089), (321, 57684), (342, 54142), (396, 46759), (414, 44726), (418, 44298), (428, 43263), (437, 42372), (506, 36594), (627, 29532), (642, 28842), (684, 27071), (759, 24396), (828, 22363), (836, 22149), (874, 21186), (963, 19228), (1012, 18297), (1177, 15732), (1254, 14766), (1284, 14421), (1311, 14124), (1518, 12198), (1748, 10593), (1881, 9844), (1926, 9614), (2033, 9108), (2277, 8132), (2354, 7866), (2461, 7524), (2508, 7383), (2622, 7062), (3036, 6099), (3531, 5244), (3762, 4922), (3852, 4807), (3933, 4708), (4066, 4554)]