19350891

素因数分解:

$3^2\times 7^1\times {\mathrm{181}}^1\times {\mathrm{1697}}^1$

素因数の和:1891

約数の個数: 24

約数和(自身を含む): 32139744

約数和(自身を除く): 12788853

約数列:

[1, 3, 7, 9, 21, 63, 181, 543, 1267, 1629, 1697, 3801, 5091, 11403, 11879, 15273, 35637, 106911, 307157, 921471, 2150099, 2764413, 6450297, 19350891]

約数ペア:

[(1, 19350891), (3, 6450297), (7, 2764413), (9, 2150099), (21, 921471), (63, 307157), (181, 106911), (543, 35637), (1267, 15273), (1629, 11879), (1697, 11403), (3801, 5091)]