19421605

素因数分解:

$5^1\times 7^1\times {\mathrm{523}}^1\times {\mathrm{1061}}^1$

素因数の和:1596

約数の個数: 16

約数和(自身を含む): 26711424

約数和(自身を除く): 7289819

約数列:

[1, 5, 7, 35, 523, 1061, 2615, 3661, 5305, 7427, 18305, 37135, 554903, 2774515, 3884321, 19421605]

約数ペア:

[(1, 19421605), (5, 3884321), (7, 2774515), (35, 554903), (523, 37135), (1061, 18305), (2615, 7427), (3661, 5305)]