19943485398

素因数分解:

$2^1\times 3^2\times {\mathrm{43}}^1\times {\mathrm{107}}^1\times {\mathrm{240811}}^1$

素因数の和:240969

約数の個数: 48

約数和(自身を含む): 44629206336

約数和(自身を除く): 24685720938

約数列:

[1, 2, 3, 6, 9, 18, 43, 86, 107, 129, 214, 258, 321, 387, 642, 774, 963, 1926, 4601, 9202, 13803, 27606, 41409, 82818, 240811, 481622, 722433, 1444866, 2167299, 4334598, 10354873, 20709746, 25766777, 31064619, 51533554, 62129238, 77300331, 93193857, 154600662, 186387714, 231900993, 463801986, 1107971411, 2215942822, 3323914233, 6647828466, 9971742699, 19943485398]

約数ペア:

[(1, 19943485398), (2, 9971742699), (3, 6647828466), (6, 3323914233), (9, 2215942822), (18, 1107971411), (43, 463801986), (86, 231900993), (107, 186387714), (129, 154600662), (214, 93193857), (258, 77300331), (321, 62129238), (387, 51533554), (642, 31064619), (774, 25766777), (963, 20709746), (1926, 10354873), (4601, 4334598), (9202, 2167299), (13803, 1444866), (27606, 722433), (41409, 481622), (82818, 240811)]