19630317

素因数分解:

$3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{21739}}^1$

素因数の和:21792

約数の個数: 16

約数和(自身を含む): 30609920

約数和(自身を除く): 10979603

約数列:

[1, 3, 7, 21, 43, 129, 301, 903, 21739, 65217, 152173, 456519, 934777, 2804331, 6543439, 19630317]

約数ペア:

[(1, 19630317), (3, 6543439), (7, 2804331), (21, 934777), (43, 456519), (129, 152173), (301, 65217), (903, 21739)]