19585124

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{461}}^1$

素因数の和:540

約数の個数: 48

約数和(自身を含む): 39842880

約数和(自身を除く): 20257756

約数列:

[1, 2, 4, 13, 19, 26, 38, 43, 52, 76, 86, 172, 247, 461, 494, 559, 817, 922, 988, 1118, 1634, 1844, 2236, 3268, 5993, 8759, 10621, 11986, 17518, 19823, 21242, 23972, 35036, 39646, 42484, 79292, 113867, 227734, 257699, 376637, 455468, 515398, 753274, 1030796, 1506548, 4896281, 9792562, 19585124]

約数ペア:

[(1, 19585124), (2, 9792562), (4, 4896281), (13, 1506548), (19, 1030796), (26, 753274), (38, 515398), (43, 455468), (52, 376637), (76, 257699), (86, 227734), (172, 113867), (247, 79292), (461, 42484), (494, 39646), (559, 35036), (817, 23972), (922, 21242), (988, 19823), (1118, 17518), (1634, 11986), (1844, 10621), (2236, 8759), (3268, 5993)]