19786816812

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{29}}^1\times {\mathrm{653}}^1\times {\mathrm{1777}}^1$

素因数の和:2480

約数の個数: 144

約数和(自身を含む): 55675438560

約数和(自身を除く): 35888621748

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 29, 42, 49, 58, 84, 87, 98, 116, 147, 174, 196, 203, 294, 348, 406, 588, 609, 653, 812, 1218, 1306, 1421, 1777, 1959, 2436, 2612, 2842, 3554, 3918, 4263, 4571, 5331, 5684, 7108, 7836, 8526, 9142, 10662, 12439, 13713, 17052, 18284, 18937, 21324, 24878, 27426, 31997, 37317, 37874, 49756, 51533, 54852, 56811, 63994, 74634, 75748, 87073, 95991, 103066, 113622, 127988, 132559, 149268, 154599, 174146, 191982, 206132, 227244, 261219, 265118, 309198, 348292, 360731, 383964, 397677, 522438, 530236, 618396, 721462, 795354, 927913, 1044876, 1082193, 1160381, 1442924, 1590708, 1855826, 2164386, 2320762, 2525117, 2783739, 3481143, 3711652, 4328772, 4641524, 5050234, 5567478, 6962286, 7575351, 8122667, 10100468, 11134956, 13924572, 15150702, 16245334, 24368001, 30301404, 32490668, 33651049, 48736002, 56858669, 67302098, 97472004, 100953147, 113717338, 134604196, 170576007, 201906294, 227434676, 235557343, 341152014, 403812588, 471114686, 682304028, 706672029, 942229372, 1413344058, 1648901401, 2826688116, 3297802802, 4946704203, 6595605604, 9893408406, 19786816812]

約数ペア:

[(1, 19786816812), (2, 9893408406), (3, 6595605604), (4, 4946704203), (6, 3297802802), (7, 2826688116), (12, 1648901401), (14, 1413344058), (21, 942229372), (28, 706672029), (29, 682304028), (42, 471114686), (49, 403812588), (58, 341152014), (84, 235557343), (87, 227434676), (98, 201906294), (116, 170576007), (147, 134604196), (174, 113717338), (196, 100953147), (203, 97472004), (294, 67302098), (348, 56858669), (406, 48736002), (588, 33651049), (609, 32490668), (653, 30301404), (812, 24368001), (1218, 16245334), (1306, 15150702), (1421, 13924572), (1777, 11134956), (1959, 10100468), (2436, 8122667), (2612, 7575351), (2842, 6962286), (3554, 5567478), (3918, 5050234), (4263, 4641524), (4571, 4328772), (5331, 3711652), (5684, 3481143), (7108, 2783739), (7836, 2525117), (8526, 2320762), (9142, 2164386), (10662, 1855826), (12439, 1590708), (13713, 1442924), (17052, 1160381), (18284, 1082193), (18937, 1044876), (21324, 927913), (24878, 795354), (27426, 721462), (31997, 618396), (37317, 530236), (37874, 522438), (49756, 397677), (51533, 383964), (54852, 360731), (56811, 348292), (63994, 309198), (74634, 265118), (75748, 261219), (87073, 227244), (95991, 206132), (103066, 191982), (113622, 174146), (127988, 154599), (132559, 149268)]