19960249491

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{683}}^1\times {\mathrm{2099}}^1$

素因数の和:2825

約数の個数: 96

約数和(自身を含む): 37645171200

約数和(自身を除く): 17684921709

約数列:

[1, 3, 7, 9, 13, 17, 21, 39, 51, 63, 91, 117, 119, 153, 221, 273, 357, 663, 683, 819, 1071, 1547, 1989, 2049, 2099, 4641, 4781, 6147, 6297, 8879, 11611, 13923, 14343, 14693, 18891, 26637, 27287, 34833, 35683, 43029, 44079, 62153, 79911, 81277, 81861, 104499, 107049, 132237, 150943, 186459, 191009, 243831, 245583, 249781, 321147, 452829, 463879, 559377, 573027, 731493, 749343, 1056601, 1358487, 1391637, 1433617, 1719081, 2248029, 3169803, 3247153, 4174911, 4300851, 9509409, 9741459, 10035319, 12902553, 18637021, 24371489, 29224377, 30105957, 55911063, 73114467, 90317871, 130459147, 167733189, 170600423, 219343401, 316829357, 391377441, 511801269, 950488071, 1174132323, 1535403807, 2217805499, 2851464213, 6653416497, 19960249491]

約数ペア:

[(1, 19960249491), (3, 6653416497), (7, 2851464213), (9, 2217805499), (13, 1535403807), (17, 1174132323), (21, 950488071), (39, 511801269), (51, 391377441), (63, 316829357), (91, 219343401), (117, 170600423), (119, 167733189), (153, 130459147), (221, 90317871), (273, 73114467), (357, 55911063), (663, 30105957), (683, 29224377), (819, 24371489), (1071, 18637021), (1547, 12902553), (1989, 10035319), (2049, 9741459), (2099, 9509409), (4641, 4300851), (4781, 4174911), (6147, 3247153), (6297, 3169803), (8879, 2248029), (11611, 1719081), (13923, 1433617), (14343, 1391637), (14693, 1358487), (18891, 1056601), (26637, 749343), (27287, 731493), (34833, 573027), (35683, 559377), (43029, 463879), (44079, 452829), (62153, 321147), (79911, 249781), (81277, 245583), (81861, 243831), (104499, 191009), (107049, 186459), (132237, 150943)]