19913060

素因数分解:

$2^2\times 5^1\times {\mathrm{313}}^1\times {\mathrm{3181}}^1$

素因数の和:3503

約数の個数: 24

約数和(自身を含む): 41964216

約数和(自身を除く): 22051156

約数列:

[1, 2, 4, 5, 10, 20, 313, 626, 1252, 1565, 3130, 3181, 6260, 6362, 12724, 15905, 31810, 63620, 995653, 1991306, 3982612, 4978265, 9956530, 19913060]

約数ペア:

[(1, 19913060), (2, 9956530), (4, 4978265), (5, 3982612), (10, 1991306), (20, 995653), (313, 63620), (626, 31810), (1252, 15905), (1565, 12724), (3130, 6362), (3181, 6260)]