19987135

素因数分解:

$5^1\times 7^1\times {\mathrm{59}}^1\times {\mathrm{9679}}^1$

素因数の和:9750

約数の個数: 16

約数和(自身を含む): 27878400

約数和(自身を除く): 7891265

約数列:

[1, 5, 7, 35, 59, 295, 413, 2065, 9679, 48395, 67753, 338765, 571061, 2855305, 3997427, 19987135]

約数ペア:

[(1, 19987135), (5, 3997427), (7, 2855305), (35, 571061), (59, 338765), (295, 67753), (413, 48395), (2065, 9679)]