19914224

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{113149}}^1$

素因数の和:113168

約数の個数: 20

約数和(自身を含む): 42091800

約数和(自身を除く): 22177576

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 113149, 226298, 452596, 905192, 1244639, 1810384, 2489278, 4978556, 9957112, 19914224]

約数ペア:

[(1, 19914224), (2, 9957112), (4, 4978556), (8, 2489278), (11, 1810384), (16, 1244639), (22, 905192), (44, 452596), (88, 226298), (176, 113149)]