19120887

素因数分解:

$3^3\times {\mathrm{293}}^1\times {\mathrm{2417}}^1$

素因数の和:2719

約数の個数: 16

約数和(自身を含む): 28435680

約数和(自身を除く): 9314793

約数列:

[1, 3, 9, 27, 293, 879, 2417, 2637, 7251, 7911, 21753, 65259, 708181, 2124543, 6373629, 19120887]

約数ペア:

[(1, 19120887), (3, 6373629), (9, 2124543), (27, 708181), (293, 65259), (879, 21753), (2417, 7911), (2637, 7251)]