18941286

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{113}}^1\times {\mathrm{307}}^1$

素因数の和:445

約数の個数: 64

約数和(自身を含む): 47190528

約数和(自身を除く): 28249242

約数列:

[1, 2, 3, 6, 7, 13, 14, 21, 26, 39, 42, 78, 91, 113, 182, 226, 273, 307, 339, 546, 614, 678, 791, 921, 1469, 1582, 1842, 2149, 2373, 2938, 3991, 4298, 4407, 4746, 6447, 7982, 8814, 10283, 11973, 12894, 20566, 23946, 27937, 30849, 34691, 55874, 61698, 69382, 83811, 104073, 167622, 208146, 242837, 450983, 485674, 728511, 901966, 1352949, 1457022, 2705898, 3156881, 6313762, 9470643, 18941286]

約数ペア:

[(1, 18941286), (2, 9470643), (3, 6313762), (6, 3156881), (7, 2705898), (13, 1457022), (14, 1352949), (21, 901966), (26, 728511), (39, 485674), (42, 450983), (78, 242837), (91, 208146), (113, 167622), (182, 104073), (226, 83811), (273, 69382), (307, 61698), (339, 55874), (546, 34691), (614, 30849), (678, 27937), (791, 23946), (921, 20566), (1469, 12894), (1582, 11973), (1842, 10283), (2149, 8814), (2373, 7982), (2938, 6447), (3991, 4746), (4298, 4407)]