19047717

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{18089}}^1$

素因数の和:18114

約数の個数: 20

約数和(自身を含む): 30644460

約数和(自身を除く): 11596743

約数列:

[1, 3, 9, 13, 27, 39, 81, 117, 351, 1053, 18089, 54267, 162801, 235157, 488403, 705471, 1465209, 2116413, 6349239, 19047717]

約数ペア:

[(1, 19047717), (3, 6349239), (9, 2116413), (13, 1465209), (27, 705471), (39, 488403), (81, 235157), (117, 162801), (351, 54267), (1053, 18089)]