19953478

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{127}}^1\times {\mathrm{4621}}^1$

素因数の和:4767

約数の個数: 16

約数和(自身を含む): 31947264

約数和(自身を除く): 11993786

約数列:

[1, 2, 17, 34, 127, 254, 2159, 4318, 4621, 9242, 78557, 157114, 586867, 1173734, 9976739, 19953478]

約数ペア:

[(1, 19953478), (2, 9976739), (17, 1173734), (34, 586867), (127, 157114), (254, 78557), (2159, 9242), (4318, 4621)]