19984983879

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{233}}^1\times {\mathrm{240259}}^1$

素因数の和:240519

約数の個数: 32

約数和(自身を含む): 32383203840

約数和(自身を除く): 12398219961

約数列:

[1, 3, 7, 17, 21, 51, 119, 233, 357, 699, 1631, 3961, 4893, 11883, 27727, 83181, 240259, 720777, 1681813, 4084403, 5045439, 12253209, 28590821, 55980347, 85772463, 167941041, 391862429, 951665899, 1175587287, 2854997697, 6661661293, 19984983879]

約数ペア:

[(1, 19984983879), (3, 6661661293), (7, 2854997697), (17, 1175587287), (21, 951665899), (51, 391862429), (119, 167941041), (233, 85772463), (357, 55980347), (699, 28590821), (1631, 12253209), (3961, 5045439), (4893, 4084403), (11883, 1681813), (27727, 720777), (83181, 240259)]