18217036912

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{499}}^1\times {\mathrm{827}}^1$

素因数の和:1454

約数の個数: 80

約数和(自身を含む): 36961920000

約数和(自身を除く): 18744883088

約数列:

[1, 2, 4, 8, 16, 31, 62, 89, 124, 178, 248, 356, 496, 499, 712, 827, 998, 1424, 1654, 1996, 2759, 3308, 3992, 5518, 6616, 7984, 11036, 13232, 15469, 22072, 25637, 30938, 44144, 44411, 51274, 61876, 73603, 88822, 102548, 123752, 147206, 177644, 205096, 247504, 294412, 355288, 410192, 412673, 588824, 710576, 825346, 1177648, 1376741, 1650692, 2281693, 2753482, 3301384, 4563386, 5506964, 6602768, 9126772, 11013928, 12792863, 18253544, 22027856, 25585726, 36507088, 36727897, 51171452, 73455794, 102342904, 146911588, 204685808, 293823176, 587646352, 1138564807, 2277129614, 4554259228, 9108518456, 18217036912]

約数ペア:

[(1, 18217036912), (2, 9108518456), (4, 4554259228), (8, 2277129614), (16, 1138564807), (31, 587646352), (62, 293823176), (89, 204685808), (124, 146911588), (178, 102342904), (248, 73455794), (356, 51171452), (496, 36727897), (499, 36507088), (712, 25585726), (827, 22027856), (998, 18253544), (1424, 12792863), (1654, 11013928), (1996, 9126772), (2759, 6602768), (3308, 5506964), (3992, 4563386), (5518, 3301384), (6616, 2753482), (7984, 2281693), (11036, 1650692), (13232, 1376741), (15469, 1177648), (22072, 825346), (25637, 710576), (30938, 588824), (44144, 412673), (44411, 410192), (51274, 355288), (61876, 294412), (73603, 247504), (88822, 205096), (102548, 177644), (123752, 147206)]