18683788

素因数分解:

$2^2\times {\mathrm{101}}^1\times {\mathrm{103}}^1\times {\mathrm{449}}^1$

素因数の和:657

約数の個数: 24

約数和(自身を含む): 33415200

約数和(自身を除く): 14731412

約数列:

[1, 2, 4, 101, 103, 202, 206, 404, 412, 449, 898, 1796, 10403, 20806, 41612, 45349, 46247, 90698, 92494, 181396, 184988, 4670947, 9341894, 18683788]

約数ペア:

[(1, 18683788), (2, 9341894), (4, 4670947), (101, 184988), (103, 181396), (202, 92494), (206, 90698), (404, 46247), (412, 45349), (449, 41612), (898, 20806), (1796, 10403)]