18889269

素因数分解:

$3^1\times 7^1\times {\mathrm{487}}^1\times {\mathrm{1847}}^1$

素因数の和:2344

約数の個数: 16

約数和(自身を含む): 28858368

約数和(自身を除く): 9969099

約数列:

[1, 3, 7, 21, 487, 1461, 1847, 3409, 5541, 10227, 12929, 38787, 899489, 2698467, 6296423, 18889269]

約数ペア:

[(1, 18889269), (3, 6296423), (7, 2698467), (21, 899489), (487, 38787), (1461, 12929), (1847, 10227), (3409, 5541)]