19905464

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{130957}}^1$

素因数の和:130982

約数の個数: 16

約数和(自身を含む): 39287400

約数和(自身を除く): 19381936

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 130957, 261914, 523828, 1047656, 2488183, 4976366, 9952732, 19905464]

約数ペア:

[(1, 19905464), (2, 9952732), (4, 4976366), (8, 2488183), (19, 1047656), (38, 523828), (76, 261914), (152, 130957)]