18662674

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{661}}^1\times {\mathrm{743}}^1$

素因数の和:1425

約数の個数: 16

約数和(自身を含む): 29551680

約数和(自身を除く): 10889006

約数列:

[1, 2, 19, 38, 661, 743, 1322, 1486, 12559, 14117, 25118, 28234, 491123, 982246, 9331337, 18662674]

約数ペア:

[(1, 18662674), (2, 9331337), (19, 982246), (38, 491123), (661, 28234), (743, 25118), (1322, 14117), (1486, 12559)]