19898740

素因数分解:

$2^2\times 5^1\times {\mathrm{367}}^1\times {\mathrm{2711}}^1$

素因数の和:3087

約数の個数: 24

約数和(自身を含む): 41916672

約数和(自身を除く): 22017932

約数列:

[1, 2, 4, 5, 10, 20, 367, 734, 1468, 1835, 2711, 3670, 5422, 7340, 10844, 13555, 27110, 54220, 994937, 1989874, 3979748, 4974685, 9949370, 19898740]

約数ペア:

[(1, 19898740), (2, 9949370), (4, 4974685), (5, 3979748), (10, 1989874), (20, 994937), (367, 54220), (734, 27110), (1468, 13555), (1835, 10844), (2711, 7340), (3670, 5422)]