19942892

素因数分解:

$2^2\times {\mathrm{41}}^1\times {\mathrm{277}}^1\times {\mathrm{439}}^1$

素因数の和:761

約数の個数: 24

約数和(自身を含む): 35962080

約数和(自身を除く): 16019188

約数列:

[1, 2, 4, 41, 82, 164, 277, 439, 554, 878, 1108, 1756, 11357, 17999, 22714, 35998, 45428, 71996, 121603, 243206, 486412, 4985723, 9971446, 19942892]

約数ペア:

[(1, 19942892), (2, 9971446), (4, 4985723), (41, 486412), (82, 243206), (164, 121603), (277, 71996), (439, 45428), (554, 35998), (878, 22714), (1108, 17999), (1756, 11357)]