18717244

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{51421}}^1$

素因数の和:51445

約数の個数: 24

約数和(自身を含む): 40314848

約数和(自身を除く): 21597604

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 182, 364, 51421, 102842, 205684, 359947, 668473, 719894, 1336946, 1439788, 2673892, 4679311, 9358622, 18717244]

約数ペア:

[(1, 18717244), (2, 9358622), (4, 4679311), (7, 2673892), (13, 1439788), (14, 1336946), (26, 719894), (28, 668473), (52, 359947), (91, 205684), (182, 102842), (364, 51421)]