19412540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{138661}}^1$

素因数の和:138677

約数の個数: 24

約数和(自身を含む): 46590432

約数和(自身を除く): 27177892

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 138661, 277322, 554644, 693305, 970627, 1386610, 1941254, 2773220, 3882508, 4853135, 9706270, 19412540]

約数ペア:

[(1, 19412540), (2, 9706270), (4, 4853135), (5, 3882508), (7, 2773220), (10, 1941254), (14, 1386610), (20, 970627), (28, 693305), (35, 554644), (70, 277322), (140, 138661)]