19578779008

素因数分解:

$2^7\times {\mathrm{59}}^1\times {\mathrm{647}}^1\times {\mathrm{4007}}^1$

素因数の和:4727

約数の個数: 64

約数和(自身を含む): 39736915200

約数和(自身を除く): 20158136192

約数列:

[1, 2, 4, 8, 16, 32, 59, 64, 118, 128, 236, 472, 647, 944, 1294, 1888, 2588, 3776, 4007, 5176, 7552, 8014, 10352, 16028, 20704, 32056, 38173, 41408, 64112, 76346, 82816, 128224, 152692, 236413, 256448, 305384, 472826, 512896, 610768, 945652, 1221536, 1891304, 2443072, 2592529, 3782608, 4886144, 5185058, 7565216, 10370116, 15130432, 20740232, 30260864, 41480464, 82960928, 152959211, 165921856, 305918422, 331843712, 611836844, 1223673688, 2447347376, 4894694752, 9789389504, 19578779008]

約数ペア:

[(1, 19578779008), (2, 9789389504), (4, 4894694752), (8, 2447347376), (16, 1223673688), (32, 611836844), (59, 331843712), (64, 305918422), (118, 165921856), (128, 152959211), (236, 82960928), (472, 41480464), (647, 30260864), (944, 20740232), (1294, 15130432), (1888, 10370116), (2588, 7565216), (3776, 5185058), (4007, 4886144), (5176, 3782608), (7552, 2592529), (8014, 2443072), (10352, 1891304), (16028, 1221536), (20704, 945652), (32056, 610768), (38173, 512896), (41408, 472826), (64112, 305384), (76346, 256448), (82816, 236413), (128224, 152692)]