19961958

素因数分解:

$2^1\times 3^1\times {\mathrm{163}}^1\times {\mathrm{20411}}^1$

素因数の和:20579

約数の個数: 16

約数和(自身を含む): 40170816

約数和(自身を除く): 20208858

約数列:

[1, 2, 3, 6, 163, 326, 489, 978, 20411, 40822, 61233, 122466, 3326993, 6653986, 9980979, 19961958]

約数ペア:

[(1, 19961958), (2, 9980979), (3, 6653986), (6, 3326993), (163, 122466), (326, 61233), (489, 40822), (978, 20411)]