19968312

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{223}}^1$

素因数の和:293

約数の個数: 128

約数和(自身を含む): 63221760

約数和(自身を除く): 43253448

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 13, 14, 21, 24, 26, 28, 39, 41, 42, 52, 56, 78, 82, 84, 91, 104, 123, 156, 164, 168, 182, 223, 246, 273, 287, 312, 328, 364, 446, 492, 533, 546, 574, 669, 728, 861, 892, 984, 1066, 1092, 1148, 1338, 1561, 1599, 1722, 1784, 2132, 2184, 2296, 2676, 2899, 3122, 3198, 3444, 3731, 4264, 4683, 5352, 5798, 6244, 6396, 6888, 7462, 8697, 9143, 9366, 11193, 11596, 12488, 12792, 14924, 17394, 18286, 18732, 20293, 22386, 23192, 27429, 29848, 34788, 36572, 37464, 40586, 44772, 54858, 60879, 64001, 69576, 73144, 81172, 89544, 109716, 118859, 121758, 128002, 162344, 192003, 219432, 237718, 243516, 256004, 356577, 384006, 475436, 487032, 512008, 713154, 768012, 832013, 950872, 1426308, 1536024, 1664026, 2496039, 2852616, 3328052, 4992078, 6656104, 9984156, 19968312]

約数ペア:

[(1, 19968312), (2, 9984156), (3, 6656104), (4, 4992078), (6, 3328052), (7, 2852616), (8, 2496039), (12, 1664026), (13, 1536024), (14, 1426308), (21, 950872), (24, 832013), (26, 768012), (28, 713154), (39, 512008), (41, 487032), (42, 475436), (52, 384006), (56, 356577), (78, 256004), (82, 243516), (84, 237718), (91, 219432), (104, 192003), (123, 162344), (156, 128002), (164, 121758), (168, 118859), (182, 109716), (223, 89544), (246, 81172), (273, 73144), (287, 69576), (312, 64001), (328, 60879), (364, 54858), (446, 44772), (492, 40586), (533, 37464), (546, 36572), (574, 34788), (669, 29848), (728, 27429), (861, 23192), (892, 22386), (984, 20293), (1066, 18732), (1092, 18286), (1148, 17394), (1338, 14924), (1561, 12792), (1599, 12488), (1722, 11596), (1784, 11193), (2132, 9366), (2184, 9143), (2296, 8697), (2676, 7462), (2899, 6888), (3122, 6396), (3198, 6244), (3444, 5798), (3731, 5352), (4264, 4683)]