19246913

素因数分解:

$7^1\times {\mathrm{131}}^1\times {\mathrm{139}}^1\times {\mathrm{151}}^1$

素因数の和:428

約数の個数: 16

約数和(自身を含む): 22471680

約数和(自身を除く): 3224767

約数列:

[1, 7, 131, 139, 151, 917, 973, 1057, 18209, 19781, 20989, 127463, 138467, 146923, 2749559, 19246913]

約数ペア:

[(1, 19246913), (7, 2749559), (131, 146923), (139, 138467), (151, 127463), (917, 20989), (973, 19781), (1057, 18209)]