1991984

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{5413}}^1$

素因数の和:5444

約数の個数: 20

約数和(自身を含む): 4028016

約数和(自身を除く): 2036032

約数列:

[1, 2, 4, 8, 16, 23, 46, 92, 184, 368, 5413, 10826, 21652, 43304, 86608, 124499, 248998, 497996, 995992, 1991984]

約数ペア:

[(1, 1991984), (2, 995992), (4, 497996), (8, 248998), (16, 124499), (23, 86608), (46, 43304), (92, 21652), (184, 10826), (368, 5413)]