18767788

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{27763}}^1$

素因数の和:27793

約数の個数: 18

約数和(自身を含む): 35565684

約数和(自身を除く): 16797896

約数列:

[1, 2, 4, 13, 26, 52, 169, 338, 676, 27763, 55526, 111052, 360919, 721838, 1443676, 4691947, 9383894, 18767788]

約数ペア:

[(1, 18767788), (2, 9383894), (4, 4691947), (13, 1443676), (26, 721838), (52, 360919), (169, 111052), (338, 55526), (676, 27763)]