19189475

素因数分解:

$5^2\times {\mathrm{23}}^2\times {\mathrm{1451}}^1$

素因数の和:1507

約数の個数: 18

約数和(自身を含む): 24891636

約数和(自身を除く): 5702161

約数列:

[1, 5, 23, 25, 115, 529, 575, 1451, 2645, 7255, 13225, 33373, 36275, 166865, 767579, 834325, 3837895, 19189475]

約数ペア:

[(1, 19189475), (5, 3837895), (23, 834325), (25, 767579), (115, 166865), (529, 36275), (575, 33373), (1451, 13225), (2645, 7255)]