18385902016

素因数分解:

$2^6\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{311}}^1\times {\mathrm{811}}^1$

素因数の和:1218

約数の個数: 112

約数和(自身を含む): 39381818112

約数和(自身を除く): 20995916096

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 64, 67, 68, 134, 136, 268, 272, 311, 536, 544, 622, 811, 1072, 1088, 1139, 1244, 1622, 2144, 2278, 2488, 3244, 4288, 4556, 4976, 5287, 6488, 9112, 9952, 10574, 12976, 13787, 18224, 19904, 20837, 21148, 25952, 27574, 36448, 41674, 42296, 51904, 54337, 55148, 72896, 83348, 84592, 108674, 110296, 166696, 169184, 217348, 220592, 252221, 333392, 338368, 354229, 434696, 441184, 504442, 666784, 708458, 869392, 882368, 923729, 1008884, 1333568, 1416916, 1738784, 1847458, 2017768, 2833832, 3477568, 3694916, 4035536, 4287757, 5667664, 7389832, 8071072, 8575514, 11335328, 14779664, 16142144, 16898807, 17151028, 22670656, 29559328, 33797614, 34302056, 59118656, 67595228, 68604112, 135190456, 137208224, 270380912, 274416448, 287279719, 540761824, 574559438, 1081523648, 1149118876, 2298237752, 4596475504, 9192951008, 18385902016]

約数ペア:

[(1, 18385902016), (2, 9192951008), (4, 4596475504), (8, 2298237752), (16, 1149118876), (17, 1081523648), (32, 574559438), (34, 540761824), (64, 287279719), (67, 274416448), (68, 270380912), (134, 137208224), (136, 135190456), (268, 68604112), (272, 67595228), (311, 59118656), (536, 34302056), (544, 33797614), (622, 29559328), (811, 22670656), (1072, 17151028), (1088, 16898807), (1139, 16142144), (1244, 14779664), (1622, 11335328), (2144, 8575514), (2278, 8071072), (2488, 7389832), (3244, 5667664), (4288, 4287757), (4556, 4035536), (4976, 3694916), (5287, 3477568), (6488, 2833832), (9112, 2017768), (9952, 1847458), (10574, 1738784), (12976, 1416916), (13787, 1333568), (18224, 1008884), (19904, 923729), (20837, 882368), (21148, 869392), (25952, 708458), (27574, 666784), (36448, 504442), (41674, 441184), (42296, 434696), (51904, 354229), (54337, 338368), (55148, 333392), (72896, 252221), (83348, 220592), (84592, 217348), (108674, 169184), (110296, 166696)]