19993644

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{1741}}^1$

素因数の和:1791

約数の個数: 72

約数和(自身を含む): 57067920

約数和(自身を除く): 37074276

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 29, 33, 36, 44, 58, 66, 87, 99, 116, 132, 174, 198, 261, 319, 348, 396, 522, 638, 957, 1044, 1276, 1741, 1914, 2871, 3482, 3828, 5223, 5742, 6964, 10446, 11484, 15669, 19151, 20892, 31338, 38302, 50489, 57453, 62676, 76604, 100978, 114906, 151467, 172359, 201956, 229812, 302934, 344718, 454401, 555379, 605868, 689436, 908802, 1110758, 1666137, 1817604, 2221516, 3332274, 4998411, 6664548, 9996822, 19993644]

約数ペア:

[(1, 19993644), (2, 9996822), (3, 6664548), (4, 4998411), (6, 3332274), (9, 2221516), (11, 1817604), (12, 1666137), (18, 1110758), (22, 908802), (29, 689436), (33, 605868), (36, 555379), (44, 454401), (58, 344718), (66, 302934), (87, 229812), (99, 201956), (116, 172359), (132, 151467), (174, 114906), (198, 100978), (261, 76604), (319, 62676), (348, 57453), (396, 50489), (522, 38302), (638, 31338), (957, 20892), (1044, 19151), (1276, 15669), (1741, 11484), (1914, 10446), (2871, 6964), (3482, 5742), (3828, 5223)]