19007121

素因数分解:

$3^1\times 7^1\times {\mathrm{281}}^1\times {\mathrm{3221}}^1$

素因数の和:3512

約数の個数: 16

約数和(自身を含む): 29075328

約数和(自身を除く): 10068207

約数列:

[1, 3, 7, 21, 281, 843, 1967, 3221, 5901, 9663, 22547, 67641, 905101, 2715303, 6335707, 19007121]

約数ペア:

[(1, 19007121), (3, 6335707), (7, 2715303), (21, 905101), (281, 67641), (843, 22547), (1967, 9663), (3221, 5901)]