18869564

素因数分解:

$2^2\times 7^1\times {\mathrm{151}}^1\times {\mathrm{4463}}^1$

素因数の和:4625

約数の個数: 24

約数和(自身を含む): 37997568

約数和(自身を除く): 19128004

約数列:

[1, 2, 4, 7, 14, 28, 151, 302, 604, 1057, 2114, 4228, 4463, 8926, 17852, 31241, 62482, 124964, 673913, 1347826, 2695652, 4717391, 9434782, 18869564]

約数ペア:

[(1, 18869564), (2, 9434782), (4, 4717391), (7, 2695652), (14, 1347826), (28, 673913), (151, 124964), (302, 62482), (604, 31241), (1057, 17852), (2114, 8926), (4228, 4463)]