19942904

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{146639}}^1$

素因数の和:146662

約数の個数: 16

約数和(自身を含む): 39592800

約数和(自身を除く): 19649896

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 146639, 293278, 586556, 1173112, 2492863, 4985726, 9971452, 19942904]

約数ペア:

[(1, 19942904), (2, 9971452), (4, 4985726), (8, 2492863), (17, 1173112), (34, 586556), (68, 293278), (136, 146639)]