19416267

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{18439}}^1$

素因数の和:18464

約数の個数: 20

約数和(自身を含む): 31237360

約数和(自身を除く): 11821093

約数列:

[1, 3, 9, 13, 27, 39, 81, 117, 351, 1053, 18439, 55317, 165951, 239707, 497853, 719121, 1493559, 2157363, 6472089, 19416267]

約数ペア:

[(1, 19416267), (3, 6472089), (9, 2157363), (13, 1493559), (27, 719121), (39, 497853), (81, 239707), (117, 165951), (351, 55317), (1053, 18439)]