18981391

素因数分解:

${\mathrm{11}}^3\times {\mathrm{13}}^1\times {\mathrm{1097}}^1$

素因数の和:1143

約数の個数: 16

約数和(自身を含む): 22504608

約数和(自身を除く): 3523217

約数列:

[1, 11, 13, 121, 143, 1097, 1331, 1573, 12067, 14261, 17303, 132737, 156871, 1460107, 1725581, 18981391]

約数ペア:

[(1, 18981391), (11, 1725581), (13, 1460107), (121, 156871), (143, 132737), (1097, 17303), (1331, 14261), (1573, 12067)]