19966018

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{179}}^1\times {\mathrm{1297}}^1$

素因数の和:1521

約数の個数: 16

約数和(自身を含む): 30840480

約数和(自身を除く): 10874462

約数列:

[1, 2, 43, 86, 179, 358, 1297, 2594, 7697, 15394, 55771, 111542, 232163, 464326, 9983009, 19966018]

約数ペア:

[(1, 19966018), (2, 9983009), (43, 464326), (86, 232163), (179, 111542), (358, 55771), (1297, 15394), (2594, 7697)]