19780664

素因数分解:

$2^3\times {\mathrm{73}}^1\times {\mathrm{33871}}^1$

素因数の和:33950

約数の個数: 16

約数和(自身を含む): 37597920

約数和(自身を除く): 17817256

約数列:

[1, 2, 4, 8, 73, 146, 292, 584, 33871, 67742, 135484, 270968, 2472583, 4945166, 9890332, 19780664]

約数ペア:

[(1, 19780664), (2, 9890332), (4, 4945166), (8, 2472583), (73, 270968), (146, 135484), (292, 67742), (584, 33871)]