1920409008

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{137}}^1\times {\mathrm{41719}}^1$

素因数の和:41874

約数の個数: 80

約数和(自身を含む): 5711301120

約数和(自身を除く): 3790892112

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 56, 84, 112, 137, 168, 274, 336, 411, 548, 822, 959, 1096, 1644, 1918, 2192, 2877, 3288, 3836, 5754, 6576, 7672, 11508, 15344, 23016, 41719, 46032, 83438, 125157, 166876, 250314, 292033, 333752, 500628, 584066, 667504, 876099, 1001256, 1168132, 1752198, 2002512, 2336264, 3504396, 4672528, 5715503, 7008792, 11431006, 14017584, 17146509, 22862012, 34293018, 40008521, 45724024, 68586036, 80017042, 91448048, 120025563, 137172072, 160034084, 240051126, 274344144, 320068168, 480102252, 640136336, 960204504, 1920409008]

約数ペア:

[(1, 1920409008), (2, 960204504), (3, 640136336), (4, 480102252), (6, 320068168), (7, 274344144), (8, 240051126), (12, 160034084), (14, 137172072), (16, 120025563), (21, 91448048), (24, 80017042), (28, 68586036), (42, 45724024), (48, 40008521), (56, 34293018), (84, 22862012), (112, 17146509), (137, 14017584), (168, 11431006), (274, 7008792), (336, 5715503), (411, 4672528), (548, 3504396), (822, 2336264), (959, 2002512), (1096, 1752198), (1644, 1168132), (1918, 1001256), (2192, 876099), (2877, 667504), (3288, 584066), (3836, 500628), (5754, 333752), (6576, 292033), (7672, 250314), (11508, 166876), (15344, 125157), (23016, 83438), (41719, 46032)]