19859077

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{3881}}^1$

素因数の和:3948

約数の個数: 16

約数和(自身を含む): 24596352

約数和(自身を除く): 4737275

約数列:

[1, 7, 17, 43, 119, 301, 731, 3881, 5117, 27167, 65977, 166883, 461839, 1168181, 2837011, 19859077]

約数ペア:

[(1, 19859077), (7, 2837011), (17, 1168181), (43, 461839), (119, 166883), (301, 65977), (731, 27167), (3881, 5117)]