19821604

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{331}}^1\times {\mathrm{1361}}^1$

素因数の和:1707

約数の個数: 24

約数和(自身を含む): 37983456

約数和(自身を除く): 18161852

約数列:

[1, 2, 4, 11, 22, 44, 331, 662, 1324, 1361, 2722, 3641, 5444, 7282, 14564, 14971, 29942, 59884, 450491, 900982, 1801964, 4955401, 9910802, 19821604]

約数ペア:

[(1, 19821604), (2, 9910802), (4, 4955401), (11, 1801964), (22, 900982), (44, 450491), (331, 59884), (662, 29942), (1324, 14971), (1361, 14564), (2722, 7282), (3641, 5444)]