19791387

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{28559}}^1$

素因数の和:28583

約数の個数: 24

約数和(自身を含む): 35642880

約数和(自身を除く): 15851493

約数列:

[1, 3, 7, 9, 11, 21, 33, 63, 77, 99, 231, 693, 28559, 85677, 199913, 257031, 314149, 599739, 942447, 1799217, 2199043, 2827341, 6597129, 19791387]

約数ペア:

[(1, 19791387), (3, 6597129), (7, 2827341), (9, 2199043), (11, 1799217), (21, 942447), (33, 599739), (63, 314149), (77, 257031), (99, 199913), (231, 85677), (693, 28559)]