19679139

素因数分解:

$3^3\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{613}}^1$

素因数の和:692

約数の個数: 32

約数和(自身を含む): 30945600

約数和(自身を除く): 11266461

約数列:

[1, 3, 9, 27, 29, 41, 87, 123, 261, 369, 613, 783, 1107, 1189, 1839, 3567, 5517, 10701, 16551, 17777, 25133, 32103, 53331, 75399, 159993, 226197, 479979, 678591, 728857, 2186571, 6559713, 19679139]

約数ペア:

[(1, 19679139), (3, 6559713), (9, 2186571), (27, 728857), (29, 678591), (41, 479979), (87, 226197), (123, 159993), (261, 75399), (369, 53331), (613, 32103), (783, 25133), (1107, 17777), (1189, 16551), (1839, 10701), (3567, 5517)]