19010180

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{135787}}^1$

素因数の和:135803

約数の個数: 24

約数和(自身を含む): 45624768

約数和(自身を除く): 26614588

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 135787, 271574, 543148, 678935, 950509, 1357870, 1901018, 2715740, 3802036, 4752545, 9505090, 19010180]

約数ペア:

[(1, 19010180), (2, 9505090), (4, 4752545), (5, 3802036), (7, 2715740), (10, 1901018), (14, 1357870), (20, 950509), (28, 678935), (35, 543148), (70, 271574), (140, 135787)]