19690996848

素因数分解:

$2^4\times 3^1\times {\mathrm{37}}^1\times {\mathrm{137}}^1\times {\mathrm{80929}}^1$

素因数の和:81114

約数の個数: 80

約数和(自身を含む): 52625218080

約数和(自身を除く): 32934221232

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 37, 48, 74, 111, 137, 148, 222, 274, 296, 411, 444, 548, 592, 822, 888, 1096, 1644, 1776, 2192, 3288, 5069, 6576, 10138, 15207, 20276, 30414, 40552, 60828, 80929, 81104, 121656, 161858, 242787, 243312, 323716, 485574, 647432, 971148, 1294864, 1942296, 2994373, 3884592, 5988746, 8983119, 11087273, 11977492, 17966238, 22174546, 23954984, 33261819, 35932476, 44349092, 47909968, 66523638, 71864952, 88698184, 133047276, 143729904, 177396368, 266094552, 410229101, 532189104, 820458202, 1230687303, 1640916404, 2461374606, 3281832808, 4922749212, 6563665616, 9845498424, 19690996848]

約数ペア:

[(1, 19690996848), (2, 9845498424), (3, 6563665616), (4, 4922749212), (6, 3281832808), (8, 2461374606), (12, 1640916404), (16, 1230687303), (24, 820458202), (37, 532189104), (48, 410229101), (74, 266094552), (111, 177396368), (137, 143729904), (148, 133047276), (222, 88698184), (274, 71864952), (296, 66523638), (411, 47909968), (444, 44349092), (548, 35932476), (592, 33261819), (822, 23954984), (888, 22174546), (1096, 17966238), (1644, 11977492), (1776, 11087273), (2192, 8983119), (3288, 5988746), (5069, 3884592), (6576, 2994373), (10138, 1942296), (15207, 1294864), (20276, 971148), (30414, 647432), (40552, 485574), (60828, 323716), (80929, 243312), (81104, 242787), (121656, 161858)]