19717236472

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{129718661}}^1$

素因数の和:129718686

約数の個数: 16

約数和(自身を含む): 38915598600

約数和(自身を除く): 19198362128

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 129718661, 259437322, 518874644, 1037749288, 2464654559, 4929309118, 9858618236, 19717236472]

約数ペア:

[(1, 19717236472), (2, 9858618236), (4, 4929309118), (8, 2464654559), (19, 1037749288), (38, 518874644), (76, 259437322), (152, 129718661)]