19254884

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{10177}}^1$

素因数の和:10235

約数の個数: 24

約数和(自身を含む): 37617888

約数和(自身を除く): 18363004

約数列:

[1, 2, 4, 11, 22, 43, 44, 86, 172, 473, 946, 1892, 10177, 20354, 40708, 111947, 223894, 437611, 447788, 875222, 1750444, 4813721, 9627442, 19254884]

約数ペア:

[(1, 19254884), (2, 9627442), (4, 4813721), (11, 1750444), (22, 875222), (43, 447788), (44, 437611), (86, 223894), (172, 111947), (473, 40708), (946, 20354), (1892, 10177)]