1918878052

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{103}}^1\times {\mathrm{127}}^1$

素因数の和:298

約数の個数: 144

約数和(自身を含む): 4365484032

約数和(自身を除く): 2446605980

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 31, 52, 62, 91, 103, 124, 127, 169, 182, 206, 217, 254, 338, 364, 403, 412, 434, 508, 676, 721, 806, 868, 889, 1183, 1339, 1442, 1612, 1651, 1778, 2366, 2678, 2821, 2884, 3193, 3302, 3556, 3937, 4732, 5239, 5356, 5642, 6386, 6604, 7874, 9373, 10478, 11284, 11557, 12772, 13081, 15748, 17407, 18746, 20956, 21463, 22351, 23114, 26162, 27559, 34814, 36673, 37492, 41509, 42926, 44702, 46228, 51181, 52324, 55118, 69628, 73346, 83018, 85852, 89404, 91567, 102362, 110236, 121849, 146692, 150241, 166036, 170053, 183134, 204724, 243698, 290563, 300482, 340106, 358267, 366268, 405511, 487396, 539617, 581126, 600964, 665353, 680212, 716534, 811022, 1079234, 1162252, 1190371, 1330706, 1433068, 1622044, 2158468, 2210689, 2380742, 2661412, 2838577, 3777319, 4421378, 4657471, 4761484, 5271643, 5677154, 7554638, 8842756, 9314942, 10543286, 11354308, 15109276, 15474823, 18629884, 21086572, 30949646, 36901501, 61899292, 68531359, 73803002, 137062718, 147606004, 274125436, 479719513, 959439026, 1918878052]

約数ペア:

[(1, 1918878052), (2, 959439026), (4, 479719513), (7, 274125436), (13, 147606004), (14, 137062718), (26, 73803002), (28, 68531359), (31, 61899292), (52, 36901501), (62, 30949646), (91, 21086572), (103, 18629884), (124, 15474823), (127, 15109276), (169, 11354308), (182, 10543286), (206, 9314942), (217, 8842756), (254, 7554638), (338, 5677154), (364, 5271643), (403, 4761484), (412, 4657471), (434, 4421378), (508, 3777319), (676, 2838577), (721, 2661412), (806, 2380742), (868, 2210689), (889, 2158468), (1183, 1622044), (1339, 1433068), (1442, 1330706), (1612, 1190371), (1651, 1162252), (1778, 1079234), (2366, 811022), (2678, 716534), (2821, 680212), (2884, 665353), (3193, 600964), (3302, 581126), (3556, 539617), (3937, 487396), (4732, 405511), (5239, 366268), (5356, 358267), (5642, 340106), (6386, 300482), (6604, 290563), (7874, 243698), (9373, 204724), (10478, 183134), (11284, 170053), (11557, 166036), (12772, 150241), (13081, 146692), (15748, 121849), (17407, 110236), (18746, 102362), (20956, 91567), (21463, 89404), (22351, 85852), (23114, 83018), (26162, 73346), (27559, 69628), (34814, 55118), (36673, 52324), (37492, 51181), (41509, 46228), (42926, 44702)]