18345229

素因数分解:

$7^1\times {\mathrm{37}}^1\times {\mathrm{193}}^1\times {\mathrm{367}}^1$

素因数の和:604

約数の個数: 16

約数和(自身を含む): 21703168

約数和(自身を除く): 3357939

約数列:

[1, 7, 37, 193, 259, 367, 1351, 2569, 7141, 13579, 49987, 70831, 95053, 495817, 2620747, 18345229]

約数ペア:

[(1, 18345229), (7, 2620747), (37, 495817), (193, 95053), (259, 70831), (367, 49987), (1351, 13579), (2569, 7141)]