18008903

素因数分解:

${\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{199}}^1\times {\mathrm{433}}^1$

素因数の和:662

約数の個数: 16

約数和(自身を含む): 20832000

約数和(自身を除く): 2823097

約数列:

[1, 11, 19, 199, 209, 433, 2189, 3781, 4763, 8227, 41591, 86167, 90497, 947837, 1637173, 18008903]

約数ペア:

[(1, 18008903), (11, 1637173), (19, 947837), (199, 90497), (209, 86167), (433, 41591), (2189, 8227), (3781, 4763)]