18650331

素因数分解:

$3^4\times 7^2\times {\mathrm{37}}^1\times {\mathrm{127}}^1$

素因数の和:190

約数の個数: 60

約数和(自身を含む): 33547008

約数和(自身を除く): 14896677

約数列:

[1, 3, 7, 9, 21, 27, 37, 49, 63, 81, 111, 127, 147, 189, 259, 333, 381, 441, 567, 777, 889, 999, 1143, 1323, 1813, 2331, 2667, 2997, 3429, 3969, 4699, 5439, 6223, 6993, 8001, 10287, 14097, 16317, 18669, 20979, 24003, 32893, 42291, 48951, 56007, 72009, 98679, 126873, 146853, 168021, 230251, 296037, 380619, 504063, 690753, 888111, 2072259, 2664333, 6216777, 18650331]

約数ペア:

[(1, 18650331), (3, 6216777), (7, 2664333), (9, 2072259), (21, 888111), (27, 690753), (37, 504063), (49, 380619), (63, 296037), (81, 230251), (111, 168021), (127, 146853), (147, 126873), (189, 98679), (259, 72009), (333, 56007), (381, 48951), (441, 42291), (567, 32893), (777, 24003), (889, 20979), (999, 18669), (1143, 16317), (1323, 14097), (1813, 10287), (2331, 8001), (2667, 6993), (2997, 6223), (3429, 5439), (3969, 4699)]