18905684

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{35537}}^1$

素因数の和:35567

約数の個数: 24

約数和(自身を含む): 39802560

約数和(自身を除く): 20896876

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 76, 133, 266, 532, 35537, 71074, 142148, 248759, 497518, 675203, 995036, 1350406, 2700812, 4726421, 9452842, 18905684]

約数ペア:

[(1, 18905684), (2, 9452842), (4, 4726421), (7, 2700812), (14, 1350406), (19, 995036), (28, 675203), (38, 497518), (76, 248759), (133, 142148), (266, 71074), (532, 35537)]