18969533

素因数分解:

${\mathrm{11}}^2\times {\mathrm{211}}^1\times {\mathrm{743}}^1$

素因数の和:976

約数の個数: 12

約数和(自身を含む): 20977824

約数和(自身を除く): 2008291

約数列:

[1, 11, 121, 211, 743, 2321, 8173, 25531, 89903, 156773, 1724503, 18969533]

約数ペア:

[(1, 18969533), (11, 1724503), (121, 156773), (211, 89903), (743, 25531), (2321, 8173)]