18869224

素因数分解:

$2^3\times {\mathrm{11}}^2\times {\mathrm{101}}^1\times {\mathrm{193}}^1$

素因数の和:322

約数の個数: 48

約数和(自身を含む): 39477060

約数和(自身を除く): 20607836

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 101, 121, 193, 202, 242, 386, 404, 484, 772, 808, 968, 1111, 1544, 2123, 2222, 4246, 4444, 8492, 8888, 12221, 16984, 19493, 23353, 24442, 38986, 46706, 48884, 77972, 93412, 97768, 155944, 186824, 214423, 428846, 857692, 1715384, 2358653, 4717306, 9434612, 18869224]

約数ペア:

[(1, 18869224), (2, 9434612), (4, 4717306), (8, 2358653), (11, 1715384), (22, 857692), (44, 428846), (88, 214423), (101, 186824), (121, 155944), (193, 97768), (202, 93412), (242, 77972), (386, 48884), (404, 46706), (484, 38986), (772, 24442), (808, 23353), (968, 19493), (1111, 16984), (1544, 12221), (2123, 8888), (2222, 8492), (4246, 4444)]