19605205

素因数分解:

$5^1\times {\mathrm{43}}^1\times {\mathrm{67}}^1\times {\mathrm{1361}}^1$

素因数の和:1476

約数の個数: 16

約数和(自身を含む): 24450624

約数和(自身を除く): 4845419

約数列:

[1, 5, 43, 67, 215, 335, 1361, 2881, 6805, 14405, 58523, 91187, 292615, 455935, 3921041, 19605205]

約数ペア:

[(1, 19605205), (5, 3921041), (43, 455935), (67, 292615), (215, 91187), (335, 58523), (1361, 14405), (2881, 6805)]