18051873

素因数分解:

$3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{19991}}^1$

素因数の和:20044

約数の個数: 16

約数和(自身を含む): 28148736

約数和(自身を除く): 10096863

約数列:

[1, 3, 7, 21, 43, 129, 301, 903, 19991, 59973, 139937, 419811, 859613, 2578839, 6017291, 18051873]

約数ペア:

[(1, 18051873), (3, 6017291), (7, 2578839), (21, 859613), (43, 419811), (129, 139937), (301, 59973), (903, 19991)]