19460493

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{18481}}^1$

素因数の和:18506

約数の個数: 20

約数和(自身を含む): 31308508

約数和(自身を除く): 11848015

約数列:

[1, 3, 9, 13, 27, 39, 81, 117, 351, 1053, 18481, 55443, 166329, 240253, 498987, 720759, 1496961, 2162277, 6486831, 19460493]

約数ペア:

[(1, 19460493), (3, 6486831), (9, 2162277), (13, 1496961), (27, 720759), (39, 498987), (81, 240253), (117, 166329), (351, 55443), (1053, 18481)]