19925297

素因数分解:

$7^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{1249}}^1$

素因数の和:1352

約数の個数: 16

約数和(自身を含む): 23760000

約数和(自身を除く): 3834703

約数列:

[1, 7, 43, 53, 301, 371, 1249, 2279, 8743, 15953, 53707, 66197, 375949, 463379, 2846471, 19925297]

約数ペア:

[(1, 19925297), (7, 2846471), (43, 463379), (53, 375949), (301, 66197), (371, 53707), (1249, 15953), (2279, 8743)]