18237258

素因数分解:

$2^1\times 3^3\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{313}}^1$

素因数の和:420

約数の個数: 64

約数和(自身を含む): 44311680

約数和(自身を除く): 26074422

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 27, 39, 54, 78, 83, 117, 166, 234, 249, 313, 351, 498, 626, 702, 747, 939, 1079, 1494, 1878, 2158, 2241, 2817, 3237, 4069, 4482, 5634, 6474, 8138, 8451, 9711, 12207, 16902, 19422, 24414, 25979, 29133, 36621, 51958, 58266, 73242, 77937, 109863, 155874, 219726, 233811, 337727, 467622, 675454, 701433, 1013181, 1402866, 2026362, 3039543, 6079086, 9118629, 18237258]

約数ペア:

[(1, 18237258), (2, 9118629), (3, 6079086), (6, 3039543), (9, 2026362), (13, 1402866), (18, 1013181), (26, 701433), (27, 675454), (39, 467622), (54, 337727), (78, 233811), (83, 219726), (117, 155874), (166, 109863), (234, 77937), (249, 73242), (313, 58266), (351, 51958), (498, 36621), (626, 29133), (702, 25979), (747, 24414), (939, 19422), (1079, 16902), (1494, 12207), (1878, 9711), (2158, 8451), (2241, 8138), (2817, 6474), (3237, 5634), (4069, 4482)]