19788417

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{137}}^1\times {\mathrm{1459}}^1$

素因数の和:1613

約数の個数: 24

約数和(自身を含む): 31430880

約数和(自身を除く): 11642463

約数列:

[1, 3, 9, 11, 33, 99, 137, 411, 1233, 1459, 1507, 4377, 4521, 13131, 13563, 16049, 48147, 144441, 199883, 599649, 1798947, 2198713, 6596139, 19788417]

約数ペア:

[(1, 19788417), (3, 6596139), (9, 2198713), (11, 1798947), (33, 599649), (99, 199883), (137, 144441), (411, 48147), (1233, 16049), (1459, 13563), (1507, 13131), (4377, 4521)]