19398141

素因数分解:

$3^2\times 7^1\times {\mathrm{163}}^1\times {\mathrm{1889}}^1$

素因数の和:2065

約数の個数: 24

約数和(自身を含む): 32235840

約数和(自身を除く): 12837699

約数列:

[1, 3, 7, 9, 21, 63, 163, 489, 1141, 1467, 1889, 3423, 5667, 10269, 13223, 17001, 39669, 119007, 307907, 923721, 2155349, 2771163, 6466047, 19398141]

約数ペア:

[(1, 19398141), (3, 6466047), (7, 2771163), (9, 2155349), (21, 923721), (63, 307907), (163, 119007), (489, 39669), (1141, 17001), (1467, 13223), (1889, 10269), (3423, 5667)]