19889577

素因数分解:

$3^3\times {\mathrm{709}}^1\times {\mathrm{1039}}^1$

素因数の和:1757

約数の個数: 16

約数和(自身を含む): 29536000

約数和(自身を除く): 9646423

約数列:

[1, 3, 9, 27, 709, 1039, 2127, 3117, 6381, 9351, 19143, 28053, 736651, 2209953, 6629859, 19889577]

約数ペア:

[(1, 19889577), (3, 6629859), (9, 2209953), (27, 736651), (709, 28053), (1039, 19143), (2127, 9351), (3117, 6381)]