20161084319

素因数分解:

${\mathrm{19}}^2\times {\mathrm{61}}^1\times {\mathrm{915539}}^1$

素因数の和:915638

約数の個数: 12

約数和(自身を含む): 21626885880

約数和(自身を除く): 1465801561

約数列:

[1, 19, 61, 361, 1159, 22021, 915539, 17395241, 55847879, 330509579, 1061109701, 20161084319]

約数ペア:

[(1, 20161084319), (19, 1061109701), (61, 330509579), (361, 55847879), (1159, 17395241), (22021, 915539)]