18574460

素因数分解:

$2^2\times 5^1\times {\mathrm{137}}^1\times {\mathrm{6779}}^1$

素因数の和:6925

約数の個数: 24

約数和(自身を含む): 39296880

約数和(自身を除く): 20722420

約数列:

[1, 2, 4, 5, 10, 20, 137, 274, 548, 685, 1370, 2740, 6779, 13558, 27116, 33895, 67790, 135580, 928723, 1857446, 3714892, 4643615, 9287230, 18574460]

約数ペア:

[(1, 18574460), (2, 9287230), (4, 4643615), (5, 3714892), (10, 1857446), (20, 928723), (137, 135580), (274, 67790), (548, 33895), (685, 27116), (1370, 13558), (2740, 6779)]