19396404

素因数分解:

$2^2\times 3^2\times {\mathrm{538789}}^1$

素因数の和:538799

約数の個数: 18

約数和(自身を含む): 49029890

約数和(自身を除く): 29633486

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 538789, 1077578, 1616367, 2155156, 3232734, 4849101, 6465468, 9698202, 19396404]

約数ペア:

[(1, 19396404), (2, 9698202), (3, 6465468), (4, 4849101), (6, 3232734), (9, 2155156), (12, 1616367), (18, 1077578), (36, 538789)]