19639836

素因数分解:

$2^2\times 3^2\times {\mathrm{545551}}^1$

素因数の和:545561

約数の個数: 18

約数和(自身を含む): 49645232

約数和(自身を除く): 30005396

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 545551, 1091102, 1636653, 2182204, 3273306, 4909959, 6546612, 9819918, 19639836]

約数ペア:

[(1, 19639836), (2, 9819918), (3, 6546612), (4, 4909959), (6, 3273306), (9, 2182204), (12, 1636653), (18, 1091102), (36, 545551)]