19421423

素因数分解:

$7^1\times {\mathrm{43}}^1\times {\mathrm{113}}^1\times {\mathrm{571}}^1$

素因数の和:734

約数の個数: 16

約数和(自身を含む): 22953216

約数和(自身を除く): 3531793

約数列:

[1, 7, 43, 113, 301, 571, 791, 3997, 4859, 24553, 34013, 64523, 171871, 451661, 2774489, 19421423]

約数ペア:

[(1, 19421423), (7, 2774489), (43, 451661), (113, 171871), (301, 64523), (571, 34013), (791, 24553), (3997, 4859)]