19783298

素因数分解:

$2^1\times {\mathrm{71}}^1\times {\mathrm{127}}^1\times {\mathrm{1097}}^1$

素因数の和:1297

約数の個数: 16

約数和(自身を含む): 30357504

約数和(自身を除く): 10574206

約数列:

[1, 2, 71, 127, 142, 254, 1097, 2194, 9017, 18034, 77887, 139319, 155774, 278638, 9891649, 19783298]

約数ペア:

[(1, 19783298), (2, 9891649), (71, 278638), (127, 155774), (142, 139319), (254, 77887), (1097, 18034), (2194, 9017)]