18934811

素因数分解:

$7^1\times {\mathrm{19}}^2\times {\mathrm{59}}^1\times {\mathrm{127}}^1$

素因数の和:231

約数の個数: 24

約数和(自身を含む): 23408640

約数和(自身を除く): 4473829

約数列:

[1, 7, 19, 59, 127, 133, 361, 413, 889, 1121, 2413, 2527, 7493, 7847, 16891, 21299, 45847, 52451, 142367, 149093, 320929, 996569, 2704973, 18934811]

約数ペア:

[(1, 18934811), (7, 2704973), (19, 996569), (59, 320929), (127, 149093), (133, 142367), (361, 52451), (413, 45847), (889, 21299), (1121, 16891), (2413, 7847), (2527, 7493)]