18507628

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{272171}}^1$

素因数の和:272192

約数の個数: 12

約数和(自身を含む): 34293672

約数和(自身を除く): 15786044

約数列:

[1, 2, 4, 17, 34, 68, 272171, 544342, 1088684, 4626907, 9253814, 18507628]

約数ペア:

[(1, 18507628), (2, 9253814), (4, 4626907), (17, 1088684), (34, 544342), (68, 272171)]