19049921

素因数分解:

${\mathrm{11}}^1\times {\mathrm{911}}^1\times {\mathrm{1901}}^1$

素因数の和:2823

約数の個数: 8

約数和(自身を含む): 20815488

約数和(自身を除く): 1765567

約数列:

[1, 11, 911, 1901, 10021, 20911, 1731811, 19049921]

約数ペア:

[(1, 19049921), (11, 1731811), (911, 20911), (1901, 10021)]