1993503408

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{168143}}^1$

素因数の和:168186

約数の個数: 80

約数和(自身を含む): 5837959680

約数和(自身を除く): 3844456272

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 19, 24, 26, 38, 39, 48, 52, 57, 76, 78, 104, 114, 152, 156, 208, 228, 247, 304, 312, 456, 494, 624, 741, 912, 988, 1482, 1976, 2964, 3952, 5928, 11856, 168143, 336286, 504429, 672572, 1008858, 1345144, 2017716, 2185859, 2690288, 3194717, 4035432, 4371718, 6389434, 6557577, 8070864, 8743436, 9584151, 12778868, 13115154, 17486872, 19168302, 25557736, 26230308, 34973744, 38336604, 41531321, 51115472, 52460616, 76673208, 83062642, 104921232, 124593963, 153346416, 166125284, 249187926, 332250568, 498375852, 664501136, 996751704, 1993503408]

約数ペア:

[(1, 1993503408), (2, 996751704), (3, 664501136), (4, 498375852), (6, 332250568), (8, 249187926), (12, 166125284), (13, 153346416), (16, 124593963), (19, 104921232), (24, 83062642), (26, 76673208), (38, 52460616), (39, 51115472), (48, 41531321), (52, 38336604), (57, 34973744), (76, 26230308), (78, 25557736), (104, 19168302), (114, 17486872), (152, 13115154), (156, 12778868), (208, 9584151), (228, 8743436), (247, 8070864), (304, 6557577), (312, 6389434), (456, 4371718), (494, 4035432), (624, 3194717), (741, 2690288), (912, 2185859), (988, 2017716), (1482, 1345144), (1976, 1008858), (2964, 672572), (3952, 504429), (5928, 336286), (11856, 168143)]