18996884

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{5813}}^1$

素因数の和:5879

約数の個数: 24

約数和(自身を含む): 35814240

約数和(自身を除く): 16817356

約数列:

[1, 2, 4, 19, 38, 43, 76, 86, 172, 817, 1634, 3268, 5813, 11626, 23252, 110447, 220894, 249959, 441788, 499918, 999836, 4749221, 9498442, 18996884]

約数ペア:

[(1, 18996884), (2, 9498442), (4, 4749221), (19, 999836), (38, 499918), (43, 441788), (76, 249959), (86, 220894), (172, 110447), (817, 23252), (1634, 11626), (3268, 5813)]