19504719

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{18523}}^1$

素因数の和:18548

約数の個数: 20

約数和(自身を含む): 31379656

約数和(自身を除く): 11874937

約数列:

[1, 3, 9, 13, 27, 39, 81, 117, 351, 1053, 18523, 55569, 166707, 240799, 500121, 722397, 1500363, 2167191, 6501573, 19504719]

約数ペア:

[(1, 19504719), (3, 6501573), (9, 2167191), (13, 1500363), (27, 722397), (39, 500121), (81, 240799), (117, 166707), (351, 55569), (1053, 18523)]