18941328

素因数分解:

$2^4\times 3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1$

素因数の和:106

約数の個数: 240

約数和(自身を含む): 68090880

約数和(自身を除く): 49149552

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 19, 21, 23, 24, 28, 36, 38, 42, 43, 46, 48, 56, 57, 63, 69, 72, 76, 84, 86, 92, 112, 114, 126, 129, 133, 138, 144, 152, 161, 168, 171, 172, 184, 207, 228, 252, 258, 266, 276, 301, 304, 322, 336, 342, 344, 368, 387, 399, 414, 437, 456, 483, 504, 516, 532, 552, 602, 644, 684, 688, 774, 798, 817, 828, 874, 903, 912, 966, 989, 1008, 1032, 1064, 1104, 1197, 1204, 1288, 1311, 1368, 1449, 1548, 1596, 1634, 1656, 1748, 1806, 1932, 1978, 2064, 2128, 2394, 2408, 2451, 2576, 2622, 2709, 2736, 2898, 2967, 3059, 3096, 3192, 3268, 3312, 3496, 3612, 3864, 3933, 3956, 4788, 4816, 4902, 5244, 5418, 5719, 5796, 5934, 6118, 6192, 6384, 6536, 6923, 6992, 7224, 7353, 7728, 7866, 7912, 8901, 9177, 9576, 9804, 10488, 10836, 11438, 11592, 11868, 12236, 13072, 13846, 14448, 14706, 15732, 15824, 17157, 17802, 18354, 18791, 19152, 19608, 20769, 20976, 21672, 22876, 23184, 23736, 24472, 27531, 27692, 29412, 31464, 34314, 35604, 36708, 37582, 39216, 41538, 43344, 45752, 47472, 48944, 51471, 55062, 55384, 56373, 58824, 62307, 62928, 68628, 71208, 73416, 75164, 83076, 91504, 102942, 110124, 110768, 112746, 117648, 124614, 131537, 137256, 142416, 146832, 150328, 166152, 169119, 205884, 220248, 225492, 249228, 263074, 274512, 300656, 332304, 338238, 394611, 411768, 440496, 450984, 498456, 526148, 676476, 789222, 823536, 901968, 996912, 1052296, 1183833, 1352952, 1578444, 2104592, 2367666, 2705904, 3156888, 4735332, 6313776, 9470664, 18941328]

約数ペア:

[(1, 18941328), (2, 9470664), (3, 6313776), (4, 4735332), (6, 3156888), (7, 2705904), (8, 2367666), (9, 2104592), (12, 1578444), (14, 1352952), (16, 1183833), (18, 1052296), (19, 996912), (21, 901968), (23, 823536), (24, 789222), (28, 676476), (36, 526148), (38, 498456), (42, 450984), (43, 440496), (46, 411768), (48, 394611), (56, 338238), (57, 332304), (63, 300656), (69, 274512), (72, 263074), (76, 249228), (84, 225492), (86, 220248), (92, 205884), (112, 169119), (114, 166152), (126, 150328), (129, 146832), (133, 142416), (138, 137256), (144, 131537), (152, 124614), (161, 117648), (168, 112746), (171, 110768), (172, 110124), (184, 102942), (207, 91504), (228, 83076), (252, 75164), (258, 73416), (266, 71208), (276, 68628), (301, 62928), (304, 62307), (322, 58824), (336, 56373), (342, 55384), (344, 55062), (368, 51471), (387, 48944), (399, 47472), (414, 45752), (437, 43344), (456, 41538), (483, 39216), (504, 37582), (516, 36708), (532, 35604), (552, 34314), (602, 31464), (644, 29412), (684, 27692), (688, 27531), (774, 24472), (798, 23736), (817, 23184), (828, 22876), (874, 21672), (903, 20976), (912, 20769), (966, 19608), (989, 19152), (1008, 18791), (1032, 18354), (1064, 17802), (1104, 17157), (1197, 15824), (1204, 15732), (1288, 14706), (1311, 14448), (1368, 13846), (1449, 13072), (1548, 12236), (1596, 11868), (1634, 11592), (1656, 11438), (1748, 10836), (1806, 10488), (1932, 9804), (1978, 9576), (2064, 9177), (2128, 8901), (2394, 7912), (2408, 7866), (2451, 7728), (2576, 7353), (2622, 7224), (2709, 6992), (2736, 6923), (2898, 6536), (2967, 6384), (3059, 6192), (3096, 6118), (3192, 5934), (3268, 5796), (3312, 5719), (3496, 5418), (3612, 5244), (3864, 4902), (3933, 4816), (3956, 4788)]