1999841808

素因数分解:

$2^4\times 3^1\times {\mathrm{19}}^2\times {\mathrm{131}}^1\times {\mathrm{881}}^1$

素因数の和:1061

約数の個数: 120

約数和(自身を含む): 5500335456

約数和(自身を除く): 3500493648

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 19, 24, 38, 48, 57, 76, 114, 131, 152, 228, 262, 304, 361, 393, 456, 524, 722, 786, 881, 912, 1048, 1083, 1444, 1572, 1762, 2096, 2166, 2489, 2643, 2888, 3144, 3524, 4332, 4978, 5286, 5776, 6288, 7048, 7467, 8664, 9956, 10572, 14096, 14934, 16739, 17328, 19912, 21144, 29868, 33478, 39824, 42288, 47291, 50217, 59736, 66956, 94582, 100434, 115411, 119472, 133912, 141873, 189164, 200868, 230822, 267824, 283746, 318041, 346233, 378328, 401736, 461644, 567492, 636082, 692466, 756656, 803472, 923288, 954123, 1134984, 1272164, 1384932, 1846576, 1908246, 2192809, 2269968, 2544328, 2769864, 3816492, 4385618, 5088656, 5539728, 6578427, 7632984, 8771236, 13156854, 15265968, 17542472, 26313708, 35084944, 41663371, 52627416, 83326742, 105254832, 124990113, 166653484, 249980226, 333306968, 499960452, 666613936, 999920904, 1999841808]

約数ペア:

[(1, 1999841808), (2, 999920904), (3, 666613936), (4, 499960452), (6, 333306968), (8, 249980226), (12, 166653484), (16, 124990113), (19, 105254832), (24, 83326742), (38, 52627416), (48, 41663371), (57, 35084944), (76, 26313708), (114, 17542472), (131, 15265968), (152, 13156854), (228, 8771236), (262, 7632984), (304, 6578427), (361, 5539728), (393, 5088656), (456, 4385618), (524, 3816492), (722, 2769864), (786, 2544328), (881, 2269968), (912, 2192809), (1048, 1908246), (1083, 1846576), (1444, 1384932), (1572, 1272164), (1762, 1134984), (2096, 954123), (2166, 923288), (2489, 803472), (2643, 756656), (2888, 692466), (3144, 636082), (3524, 567492), (4332, 461644), (4978, 401736), (5286, 378328), (5776, 346233), (6288, 318041), (7048, 283746), (7467, 267824), (8664, 230822), (9956, 200868), (10572, 189164), (14096, 141873), (14934, 133912), (16739, 119472), (17328, 115411), (19912, 100434), (21144, 94582), (29868, 66956), (33478, 59736), (39824, 50217), (42288, 47291)]