19045936

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{127}}^1$

素因数の和:258

約数の個数: 80

約数和(自身を含む): 46219264

約数和(自身を除く): 27173328

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 91, 103, 104, 112, 127, 182, 206, 208, 254, 364, 412, 508, 721, 728, 824, 889, 1016, 1339, 1442, 1456, 1648, 1651, 1778, 2032, 2678, 2884, 3302, 3556, 5356, 5768, 6604, 7112, 9373, 10712, 11536, 11557, 13081, 13208, 14224, 18746, 21424, 23114, 26162, 26416, 37492, 46228, 52324, 74984, 91567, 92456, 104648, 149968, 170053, 183134, 184912, 209296, 340106, 366268, 680212, 732536, 1190371, 1360424, 1465072, 2380742, 2720848, 4761484, 9522968, 19045936]

約数ペア:

[(1, 19045936), (2, 9522968), (4, 4761484), (7, 2720848), (8, 2380742), (13, 1465072), (14, 1360424), (16, 1190371), (26, 732536), (28, 680212), (52, 366268), (56, 340106), (91, 209296), (103, 184912), (104, 183134), (112, 170053), (127, 149968), (182, 104648), (206, 92456), (208, 91567), (254, 74984), (364, 52324), (412, 46228), (508, 37492), (721, 26416), (728, 26162), (824, 23114), (889, 21424), (1016, 18746), (1339, 14224), (1442, 13208), (1456, 13081), (1648, 11557), (1651, 11536), (1778, 10712), (2032, 9373), (2678, 7112), (2884, 6604), (3302, 5768), (3556, 5356)]