20130109721

素因数分解:

${\mathrm{19}}^1\times {\mathrm{431}}^1\times {\mathrm{643}}^1\times {\mathrm{3823}}^1$

素因数の和:4916

約数の個数: 16

約数和(自身を含む): 21277347840

約数和(自身を除く): 1147238119

約数列:

[1, 19, 431, 643, 3823, 8189, 12217, 72637, 277133, 1647713, 2458189, 5265527, 31306547, 46705591, 1059479459, 20130109721]

約数ペア:

[(1, 20130109721), (19, 1059479459), (431, 46705591), (643, 31306547), (3823, 5265527), (8189, 2458189), (12217, 1647713), (72637, 277133)]