18663491

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{12757}}^1$

素因数の和:12794

約数の個数: 16

約数和(自身を含む): 24495360

約数和(自身を除く): 5831869

約数列:

[1, 7, 11, 19, 77, 133, 209, 1463, 12757, 89299, 140327, 242383, 982289, 1696681, 2666213, 18663491]

約数ペア:

[(1, 18663491), (7, 2666213), (11, 1696681), (19, 982289), (77, 242383), (133, 140327), (209, 89299), (1463, 12757)]