19822818140

素因数分解:

$2^2\times 5^1\times {\mathrm{991140907}}^1$

素因数の和:991140916

約数の個数: 12

約数和(自身を含む): 41627918136

約数和(自身を除く): 21805099996

約数列:

[1, 2, 4, 5, 10, 20, 991140907, 1982281814, 3964563628, 4955704535, 9911409070, 19822818140]

約数ペア:

[(1, 19822818140), (2, 9911409070), (4, 4955704535), (5, 3964563628), (10, 1982281814), (20, 991140907)]