18249329

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{3191}}^1$

素因数の和:3260

約数の個数: 16

約数和(自身を含む): 22471680

約数和(自身を除く): 4222351

約数列:

[1, 7, 19, 43, 133, 301, 817, 3191, 5719, 22337, 60629, 137213, 424403, 960491, 2607047, 18249329]

約数ペア:

[(1, 18249329), (7, 2607047), (19, 960491), (43, 424403), (133, 137213), (301, 60629), (817, 22337), (3191, 5719)]