19404290

素因数分解:

$2^1\times 5^1\times {\mathrm{479}}^1\times {\mathrm{4051}}^1$

素因数の和:4537

約数の個数: 16

約数和(自身を含む): 35009280

約数和(自身を除く): 15604990

約数列:

[1, 2, 5, 10, 479, 958, 2395, 4051, 4790, 8102, 20255, 40510, 1940429, 3880858, 9702145, 19404290]

約数ペア:

[(1, 19404290), (2, 9702145), (5, 3880858), (10, 1940429), (479, 40510), (958, 20255), (2395, 8102), (4051, 4790)]