19913508

素因数分解:

$2^2\times 3^2\times {\mathrm{553153}}^1$

素因数の和:553163

約数の個数: 18

約数和(自身を含む): 50337014

約数和(自身を除く): 30423506

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 553153, 1106306, 1659459, 2212612, 3318918, 4978377, 6637836, 9956754, 19913508]

約数ペア:

[(1, 19913508), (2, 9956754), (3, 6637836), (4, 4978377), (6, 3318918), (9, 2212612), (12, 1659459), (18, 1106306), (36, 553153)]