19404956

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{139}}^1\times {\mathrm{2053}}^1$

素因数の和:2213

約数の個数: 24

約数和(自身を含む): 36232560

約数和(自身を除く): 16827604

約数列:

[1, 2, 4, 17, 34, 68, 139, 278, 556, 2053, 2363, 4106, 4726, 8212, 9452, 34901, 69802, 139604, 285367, 570734, 1141468, 4851239, 9702478, 19404956]

約数ペア:

[(1, 19404956), (2, 9702478), (4, 4851239), (17, 1141468), (34, 570734), (68, 285367), (139, 139604), (278, 69802), (556, 34901), (2053, 9452), (2363, 8212), (4106, 4726)]