18889030

素因数分解:

$2^1\times 5^1\times {\mathrm{353}}^1\times {\mathrm{5351}}^1$

素因数の和:5711

約数の個数: 16

約数和(自身を含む): 34102944

約数和(自身を除く): 15213914

約数列:

[1, 2, 5, 10, 353, 706, 1765, 3530, 5351, 10702, 26755, 53510, 1888903, 3777806, 9444515, 18889030]

約数ペア:

[(1, 18889030), (2, 9444515), (5, 3777806), (10, 1888903), (353, 53510), (706, 26755), (1765, 10702), (3530, 5351)]