19191390

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{639713}}^1$

素因数の和:639723

約数の個数: 16

約数和(自身を含む): 46059408

約数和(自身を除く): 26868018

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 639713, 1279426, 1919139, 3198565, 3838278, 6397130, 9595695, 19191390]

約数ペア:

[(1, 19191390), (2, 9595695), (3, 6397130), (5, 3838278), (6, 3198565), (10, 1919139), (15, 1279426), (30, 639713)]