19439181

素因数分解:

$3^2\times {\mathrm{53}}^1\times {\mathrm{83}}^1\times {\mathrm{491}}^1$

素因数の和:633

約数の個数: 24

約数和(自身を含む): 29012256

約数和(自身を除く): 9573075

約数列:

[1, 3, 9, 53, 83, 159, 249, 477, 491, 747, 1473, 4399, 4419, 13197, 26023, 39591, 40753, 78069, 122259, 234207, 366777, 2159909, 6479727, 19439181]

約数ペア:

[(1, 19439181), (3, 6479727), (9, 2159909), (53, 366777), (83, 234207), (159, 122259), (249, 78069), (477, 40753), (491, 39591), (747, 26023), (1473, 13197), (4399, 4419)]