18554445

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{197}}^1$

素因数の和:251

約数の個数: 96

約数和(自身を含む): 41513472

約数和(自身を除く): 22959027

約数列:

[1, 3, 5, 7, 9, 13, 15, 21, 23, 35, 39, 45, 63, 65, 69, 91, 105, 115, 117, 161, 195, 197, 207, 273, 299, 315, 345, 455, 483, 585, 591, 805, 819, 897, 985, 1035, 1365, 1379, 1449, 1495, 1773, 2093, 2415, 2561, 2691, 2955, 4095, 4137, 4485, 4531, 6279, 6895, 7245, 7683, 8865, 10465, 12411, 12805, 13455, 13593, 17927, 18837, 20685, 22655, 23049, 31395, 31717, 38415, 40779, 53781, 58903, 62055, 67965, 89635, 94185, 95151, 115245, 158585, 161343, 176709, 203895, 268905, 285453, 294515, 412321, 475755, 530127, 806715, 883545, 1236963, 1427265, 2061605, 2650635, 3710889, 6184815, 18554445]

約数ペア:

[(1, 18554445), (3, 6184815), (5, 3710889), (7, 2650635), (9, 2061605), (13, 1427265), (15, 1236963), (21, 883545), (23, 806715), (35, 530127), (39, 475755), (45, 412321), (63, 294515), (65, 285453), (69, 268905), (91, 203895), (105, 176709), (115, 161343), (117, 158585), (161, 115245), (195, 95151), (197, 94185), (207, 89635), (273, 67965), (299, 62055), (315, 58903), (345, 53781), (455, 40779), (483, 38415), (585, 31717), (591, 31395), (805, 23049), (819, 22655), (897, 20685), (985, 18837), (1035, 17927), (1365, 13593), (1379, 13455), (1449, 12805), (1495, 12411), (1773, 10465), (2093, 8865), (2415, 7683), (2561, 7245), (2691, 6895), (2955, 6279), (4095, 4531), (4137, 4485)]