18819939

素因数分解:

$3^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{3943}}^1$

素因数の和:4026

約数の個数: 16

約数和(自身を含む): 26377472

約数和(自身を除く): 7557533

約数列:

[1, 3, 37, 43, 111, 129, 1591, 3943, 4773, 11829, 145891, 169549, 437673, 508647, 6273313, 18819939]

約数ペア:

[(1, 18819939), (3, 6273313), (37, 508647), (43, 437673), (111, 169549), (129, 145891), (1591, 11829), (3943, 4773)]