19857796

素因数分解:

$2^2\times 7^1\times {\mathrm{271}}^1\times {\mathrm{2617}}^1$

素因数の和:2899

約数の個数: 24

約数和(自身を含む): 39877376

約数和(自身を除く): 20019580

約数列:

[1, 2, 4, 7, 14, 28, 271, 542, 1084, 1897, 2617, 3794, 5234, 7588, 10468, 18319, 36638, 73276, 709207, 1418414, 2836828, 4964449, 9928898, 19857796]

約数ペア:

[(1, 19857796), (2, 9928898), (4, 4964449), (7, 2836828), (14, 1418414), (28, 709207), (271, 73276), (542, 36638), (1084, 18319), (1897, 10468), (2617, 7588), (3794, 5234)]