19439710

素因数分解:

$2^1\times 5^1\times {\mathrm{353}}^1\times {\mathrm{5507}}^1$

素因数の和:5867

約数の個数: 16

約数和(自身を含む): 35096976

約数和(自身を除く): 15657266

約数列:

[1, 2, 5, 10, 353, 706, 1765, 3530, 5507, 11014, 27535, 55070, 1943971, 3887942, 9719855, 19439710]

約数ペア:

[(1, 19439710), (2, 9719855), (5, 3887942), (10, 1943971), (353, 55070), (706, 27535), (1765, 11014), (3530, 5507)]