19328881

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{7951}}^1$

素因数の和:7992

約数の個数: 16

約数和(自身を含む): 24046848

約数和(自身を除く): 4717967

約数列:

[1, 11, 13, 17, 143, 187, 221, 2431, 7951, 87461, 103363, 135167, 1136993, 1486837, 1757171, 19328881]

約数ペア:

[(1, 19328881), (11, 1757171), (13, 1486837), (17, 1136993), (143, 135167), (187, 103363), (221, 87461), (2431, 7951)]