18009761

素因数分解:

$7^1\times {\mathrm{11}}^3\times {\mathrm{1933}}^1$

素因数の和:1973

約数の個数: 16

約数和(自身を含む): 22651008

約数和(自身を除く): 4641247

約数列:

[1, 7, 11, 77, 121, 847, 1331, 1933, 9317, 13531, 21263, 148841, 233893, 1637251, 2572823, 18009761]

約数ペア:

[(1, 18009761), (7, 2572823), (11, 1637251), (77, 233893), (121, 148841), (847, 21263), (1331, 13531), (1933, 9317)]