18957721104

素因数分解:

$2^4\times 3^2\times 7^1\times {\mathrm{449}}^1\times {\mathrm{41887}}^1$

素因数の和:42357

約数の個数: 120

約数和(自身を含む): 60771110400

約数和(自身を除く): 41813389296

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 36, 42, 48, 56, 63, 72, 84, 112, 126, 144, 168, 252, 336, 449, 504, 898, 1008, 1347, 1796, 2694, 3143, 3592, 4041, 5388, 6286, 7184, 8082, 9429, 10776, 12572, 16164, 18858, 21552, 25144, 28287, 32328, 37716, 41887, 50288, 56574, 64656, 75432, 83774, 113148, 125661, 150864, 167548, 226296, 251322, 293209, 335096, 376983, 452592, 502644, 586418, 670192, 753966, 879627, 1005288, 1172836, 1507932, 1759254, 2010576, 2345672, 2638881, 3015864, 3518508, 4691344, 5277762, 6031728, 7037016, 10555524, 14074032, 18807263, 21111048, 37614526, 42222096, 56421789, 75229052, 112843578, 131650841, 150458104, 169265367, 225687156, 263301682, 300916208, 338530734, 394952523, 451374312, 526603364, 677061468, 789905046, 902748624, 1053206728, 1184857569, 1354122936, 1579810092, 2106413456, 2369715138, 2708245872, 3159620184, 4739430276, 6319240368, 9478860552, 18957721104]

約数ペア:

[(1, 18957721104), (2, 9478860552), (3, 6319240368), (4, 4739430276), (6, 3159620184), (7, 2708245872), (8, 2369715138), (9, 2106413456), (12, 1579810092), (14, 1354122936), (16, 1184857569), (18, 1053206728), (21, 902748624), (24, 789905046), (28, 677061468), (36, 526603364), (42, 451374312), (48, 394952523), (56, 338530734), (63, 300916208), (72, 263301682), (84, 225687156), (112, 169265367), (126, 150458104), (144, 131650841), (168, 112843578), (252, 75229052), (336, 56421789), (449, 42222096), (504, 37614526), (898, 21111048), (1008, 18807263), (1347, 14074032), (1796, 10555524), (2694, 7037016), (3143, 6031728), (3592, 5277762), (4041, 4691344), (5388, 3518508), (6286, 3015864), (7184, 2638881), (8082, 2345672), (9429, 2010576), (10776, 1759254), (12572, 1507932), (16164, 1172836), (18858, 1005288), (21552, 879627), (25144, 753966), (28287, 670192), (32328, 586418), (37716, 502644), (41887, 452592), (50288, 376983), (56574, 335096), (64656, 293209), (75432, 251322), (83774, 226296), (113148, 167548), (125661, 150864)]