19728653

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{193}}^1\times {\mathrm{859}}^1$

素因数の和:1076

約数の個数: 16

約数和(自身を含む): 24024960

約数和(自身を除く): 4296307

約数列:

[1, 7, 17, 119, 193, 859, 1351, 3281, 6013, 14603, 22967, 102221, 165787, 1160509, 2818379, 19728653]

約数ペア:

[(1, 19728653), (7, 2818379), (17, 1160509), (119, 165787), (193, 102221), (859, 22967), (1351, 14603), (3281, 6013)]