19029580

素因数分解:

$2^2\times 5^1\times {\mathrm{951479}}^1$

素因数の和:951488

約数の個数: 12

約数和(自身を含む): 39962160

約数和(自身を除く): 20932580

約数列:

[1, 2, 4, 5, 10, 20, 951479, 1902958, 3805916, 4757395, 9514790, 19029580]

約数ペア:

[(1, 19029580), (2, 9514790), (4, 4757395), (5, 3805916), (10, 1902958), (20, 951479)]