18823428

素因数分解:

$2^2\times 3^4\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{109}}^1$

素因数の和:179

約数の個数: 120

約数和(自身を含む): 54783960

約数和(自身を除く): 35960532

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 27, 36, 39, 41, 52, 54, 78, 81, 82, 108, 109, 117, 123, 156, 162, 164, 218, 234, 246, 324, 327, 351, 369, 436, 468, 492, 533, 654, 702, 738, 981, 1053, 1066, 1107, 1308, 1404, 1417, 1476, 1599, 1962, 2106, 2132, 2214, 2834, 2943, 3198, 3321, 3924, 4212, 4251, 4428, 4469, 4797, 5668, 5886, 6396, 6642, 8502, 8829, 8938, 9594, 11772, 12753, 13284, 13407, 14391, 17004, 17658, 17876, 19188, 25506, 26814, 28782, 35316, 38259, 40221, 43173, 51012, 53628, 57564, 58097, 76518, 80442, 86346, 114777, 116194, 120663, 153036, 160884, 172692, 174291, 229554, 232388, 241326, 348582, 361989, 459108, 482652, 522873, 697164, 723978, 1045746, 1447956, 1568619, 2091492, 3137238, 4705857, 6274476, 9411714, 18823428]

約数ペア:

[(1, 18823428), (2, 9411714), (3, 6274476), (4, 4705857), (6, 3137238), (9, 2091492), (12, 1568619), (13, 1447956), (18, 1045746), (26, 723978), (27, 697164), (36, 522873), (39, 482652), (41, 459108), (52, 361989), (54, 348582), (78, 241326), (81, 232388), (82, 229554), (108, 174291), (109, 172692), (117, 160884), (123, 153036), (156, 120663), (162, 116194), (164, 114777), (218, 86346), (234, 80442), (246, 76518), (324, 58097), (327, 57564), (351, 53628), (369, 51012), (436, 43173), (468, 40221), (492, 38259), (533, 35316), (654, 28782), (702, 26814), (738, 25506), (981, 19188), (1053, 17876), (1066, 17658), (1107, 17004), (1308, 14391), (1404, 13407), (1417, 13284), (1476, 12753), (1599, 11772), (1962, 9594), (2106, 8938), (2132, 8829), (2214, 8502), (2834, 6642), (2943, 6396), (3198, 5886), (3321, 5668), (3924, 4797), (4212, 4469), (4251, 4428)]