19787383

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{11173}}^1$

素因数の和:11214

約数の個数: 16

約数和(自身を含む): 25744896

約数和(自身を除く): 5957513

約数列:

[1, 7, 11, 23, 77, 161, 253, 1771, 11173, 78211, 122903, 256979, 860321, 1798853, 2826769, 19787383]

約数ペア:

[(1, 19787383), (7, 2826769), (11, 1798853), (23, 860321), (77, 256979), (161, 122903), (253, 78211), (1771, 11173)]