19731036789

素因数分解:

$3^2\times {\mathrm{53}}^2\times {\mathrm{780469}}^1$

素因数の和:780581

約数の個数: 18

約数和(自身を含む): 29048312930

約数和(自身を除く): 9317276141

約数列:

[1, 3, 9, 53, 159, 477, 2809, 8427, 25281, 780469, 2341407, 7024221, 41364857, 124094571, 372283713, 2192337421, 6577012263, 19731036789]

約数ペア:

[(1, 19731036789), (3, 6577012263), (9, 2192337421), (53, 372283713), (159, 124094571), (477, 41364857), (2809, 7024221), (8427, 2341407), (25281, 780469)]