1812370518

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{127}}^1\times {\mathrm{1987}}^1$

素因数の和:2151

約数の個数: 128

約数和(自身を含む): 4885708800

約数和(自身を除く): 3073338282

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 19, 21, 27, 38, 42, 54, 57, 63, 114, 126, 127, 133, 171, 189, 254, 266, 342, 378, 381, 399, 513, 762, 798, 889, 1026, 1143, 1197, 1778, 1987, 2286, 2394, 2413, 2667, 3429, 3591, 3974, 4826, 5334, 5961, 6858, 7182, 7239, 8001, 11922, 13909, 14478, 16002, 16891, 17883, 21717, 24003, 27818, 33782, 35766, 37753, 41727, 43434, 48006, 50673, 53649, 65151, 75506, 83454, 101346, 107298, 113259, 125181, 130302, 152019, 226518, 250362, 252349, 264271, 304038, 339777, 375543, 456057, 504698, 528542, 679554, 751086, 757047, 792813, 912114, 1019331, 1514094, 1585626, 1766443, 2038662, 2271141, 2378439, 3532886, 4542282, 4756878, 4794631, 5299329, 6813423, 7135317, 9589262, 10598658, 13626846, 14270634, 14383893, 15897987, 28767786, 31795974, 33562417, 43151679, 47693961, 67124834, 86303358, 95387922, 100687251, 129455037, 201374502, 258910074, 302061753, 604123506, 906185259, 1812370518]

約数ペア:

[(1, 1812370518), (2, 906185259), (3, 604123506), (6, 302061753), (7, 258910074), (9, 201374502), (14, 129455037), (18, 100687251), (19, 95387922), (21, 86303358), (27, 67124834), (38, 47693961), (42, 43151679), (54, 33562417), (57, 31795974), (63, 28767786), (114, 15897987), (126, 14383893), (127, 14270634), (133, 13626846), (171, 10598658), (189, 9589262), (254, 7135317), (266, 6813423), (342, 5299329), (378, 4794631), (381, 4756878), (399, 4542282), (513, 3532886), (762, 2378439), (798, 2271141), (889, 2038662), (1026, 1766443), (1143, 1585626), (1197, 1514094), (1778, 1019331), (1987, 912114), (2286, 792813), (2394, 757047), (2413, 751086), (2667, 679554), (3429, 528542), (3591, 504698), (3974, 456057), (4826, 375543), (5334, 339777), (5961, 304038), (6858, 264271), (7182, 252349), (7239, 250362), (8001, 226518), (11922, 152019), (13909, 130302), (14478, 125181), (16002, 113259), (16891, 107298), (17883, 101346), (21717, 83454), (24003, 75506), (27818, 65151), (33782, 53649), (35766, 50673), (37753, 48006), (41727, 43434)]