19751121

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{18757}}^1$

素因数の和:18782

約数の個数: 20

約数和(自身を含む): 31776052

約数和(自身を除く): 12024931

約数列:

[1, 3, 9, 13, 27, 39, 81, 117, 351, 1053, 18757, 56271, 168813, 243841, 506439, 731523, 1519317, 2194569, 6583707, 19751121]

約数ペア:

[(1, 19751121), (3, 6583707), (9, 2194569), (13, 1519317), (27, 731523), (39, 506439), (81, 243841), (117, 168813), (351, 56271), (1053, 18757)]