19213790

素因数分解:

$2^1\times 5^1\times {\mathrm{353}}^1\times {\mathrm{5443}}^1$

素因数の和:5803

約数の個数: 16

約数和(自身を含む): 34689168

約数和(自身を除く): 15475378

約数列:

[1, 2, 5, 10, 353, 706, 1765, 3530, 5443, 10886, 27215, 54430, 1921379, 3842758, 9606895, 19213790]

約数ペア:

[(1, 19213790), (2, 9606895), (5, 3842758), (10, 1921379), (353, 54430), (706, 27215), (1765, 10886), (3530, 5443)]