19996887456

素因数分解:

$2^5\times 3^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{109001}}^1$

素因数の和:109044

約数の個数: 216

約数和(自身を含む): 71239565124

約数和(自身を除く): 51242677668

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 13, 14, 16, 18, 21, 24, 26, 28, 32, 36, 39, 42, 48, 49, 52, 56, 63, 72, 78, 84, 91, 96, 98, 104, 112, 117, 126, 144, 147, 156, 168, 182, 196, 208, 224, 234, 252, 273, 288, 294, 312, 336, 364, 392, 416, 441, 468, 504, 546, 588, 624, 637, 672, 728, 784, 819, 882, 936, 1008, 1092, 1176, 1248, 1274, 1456, 1568, 1638, 1764, 1872, 1911, 2016, 2184, 2352, 2548, 2912, 3276, 3528, 3744, 3822, 4368, 4704, 5096, 5733, 6552, 7056, 7644, 8736, 10192, 11466, 13104, 14112, 15288, 20384, 22932, 26208, 30576, 45864, 61152, 91728, 109001, 183456, 218002, 327003, 436004, 654006, 763007, 872008, 981009, 1308012, 1417013, 1526014, 1744016, 1962018, 2289021, 2616024, 2834026, 3052028, 3488032, 3924036, 4251039, 4578042, 5232048, 5341049, 5668052, 6104056, 6867063, 7848072, 8502078, 9156084, 9919091, 10464096, 10682098, 11336104, 12208112, 12753117, 13734126, 15696144, 16023147, 17004156, 18312168, 19838182, 21364196, 22672208, 24416224, 25506234, 27468252, 29757273, 31392288, 32046294, 34008312, 36624336, 39676364, 42728392, 45344416, 48069441, 51012468, 54936504, 59514546, 64092588, 68016624, 69433637, 73248672, 79352728, 85456784, 89271819, 96138882, 102024936, 109873008, 119029092, 128185176, 136033248, 138867274, 158705456, 170913568, 178543638, 192277764, 204049872, 208300911, 219746016, 238058184, 256370352, 277734548, 317410912, 357087276, 384555528, 408099744, 416601822, 476116368, 512740704, 555469096, 624902733, 714174552, 769111056, 833203644, 952232736, 1110938192, 1249805466, 1428349104, 1538222112, 1666407288, 2221876384, 2499610932, 2856698208, 3332814576, 4999221864, 6665629152, 9998443728, 19996887456]

約数ペア:

[(1, 19996887456), (2, 9998443728), (3, 6665629152), (4, 4999221864), (6, 3332814576), (7, 2856698208), (8, 2499610932), (9, 2221876384), (12, 1666407288), (13, 1538222112), (14, 1428349104), (16, 1249805466), (18, 1110938192), (21, 952232736), (24, 833203644), (26, 769111056), (28, 714174552), (32, 624902733), (36, 555469096), (39, 512740704), (42, 476116368), (48, 416601822), (49, 408099744), (52, 384555528), (56, 357087276), (63, 317410912), (72, 277734548), (78, 256370352), (84, 238058184), (91, 219746016), (96, 208300911), (98, 204049872), (104, 192277764), (112, 178543638), (117, 170913568), (126, 158705456), (144, 138867274), (147, 136033248), (156, 128185176), (168, 119029092), (182, 109873008), (196, 102024936), (208, 96138882), (224, 89271819), (234, 85456784), (252, 79352728), (273, 73248672), (288, 69433637), (294, 68016624), (312, 64092588), (336, 59514546), (364, 54936504), (392, 51012468), (416, 48069441), (441, 45344416), (468, 42728392), (504, 39676364), (546, 36624336), (588, 34008312), (624, 32046294), (637, 31392288), (672, 29757273), (728, 27468252), (784, 25506234), (819, 24416224), (882, 22672208), (936, 21364196), (1008, 19838182), (1092, 18312168), (1176, 17004156), (1248, 16023147), (1274, 15696144), (1456, 13734126), (1568, 12753117), (1638, 12208112), (1764, 11336104), (1872, 10682098), (1911, 10464096), (2016, 9919091), (2184, 9156084), (2352, 8502078), (2548, 7848072), (2912, 6867063), (3276, 6104056), (3528, 5668052), (3744, 5341049), (3822, 5232048), (4368, 4578042), (4704, 4251039), (5096, 3924036), (5733, 3488032), (6552, 3052028), (7056, 2834026), (7644, 2616024), (8736, 2289021), (10192, 1962018), (11466, 1744016), (13104, 1526014), (14112, 1417013), (15288, 1308012), (20384, 981009), (22932, 872008), (26208, 763007), (30576, 654006), (45864, 436004), (61152, 327003), (91728, 218002), (109001, 183456)]