18267668

素因数分解:

$2^2\times {\mathrm{101}}^1\times {\mathrm{103}}^1\times {\mathrm{439}}^1$

素因数の和:647

約数の個数: 24

約数和(自身を含む): 32672640

約数和(自身を除く): 14404972

約数列:

[1, 2, 4, 101, 103, 202, 206, 404, 412, 439, 878, 1756, 10403, 20806, 41612, 44339, 45217, 88678, 90434, 177356, 180868, 4566917, 9133834, 18267668]

約数ペア:

[(1, 18267668), (2, 9133834), (4, 4566917), (101, 180868), (103, 177356), (202, 90434), (206, 88678), (404, 45217), (412, 44339), (439, 41612), (878, 20806), (1756, 10403)]