19388621187

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{55238237}}^1$

素因数の和:55238259

約数の個数: 16

約数和(自身を含む): 30933413280

約数和(自身を除く): 11544792093

約数列:

[1, 3, 9, 13, 27, 39, 117, 351, 55238237, 165714711, 497144133, 718097081, 1491432399, 2154291243, 6462873729, 19388621187]

約数ペア:

[(1, 19388621187), (3, 6462873729), (9, 2154291243), (13, 1491432399), (27, 718097081), (39, 497144133), (117, 165714711), (351, 55238237)]