18401894

素因数分解:

$2^1\times 7^1\times {\mathrm{821}}^1\times {\mathrm{1601}}^1$

素因数の和:2431

約数の個数: 16

約数和(自身を含む): 31604256

約数和(自身を除く): 13202362

約数列:

[1, 2, 7, 14, 821, 1601, 1642, 3202, 5747, 11207, 11494, 22414, 1314421, 2628842, 9200947, 18401894]

約数ペア:

[(1, 18401894), (2, 9200947), (7, 2628842), (14, 1314421), (821, 22414), (1601, 11494), (1642, 11207), (3202, 5747)]