19998404

素因数分解:

$2^2\times {\mathrm{59}}^1\times {\mathrm{101}}^1\times {\mathrm{839}}^1$

素因数の和:1003

約数の個数: 24

約数和(自身を含む): 35985600

約数和(自身を除く): 15987196

約数列:

[1, 2, 4, 59, 101, 118, 202, 236, 404, 839, 1678, 3356, 5959, 11918, 23836, 49501, 84739, 99002, 169478, 198004, 338956, 4999601, 9999202, 19998404]

約数ペア:

[(1, 19998404), (2, 9999202), (4, 4999601), (59, 338956), (101, 198004), (118, 169478), (202, 99002), (236, 84739), (404, 49501), (839, 23836), (1678, 11918), (3356, 5959)]