19028481

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{167}}^1\times {\mathrm{1999}}^1$

素因数の和:2188

約数の個数: 16

約数和(自身を含む): 26880000

約数和(自身を除く): 7851519

約数列:

[1, 3, 19, 57, 167, 501, 1999, 3173, 5997, 9519, 37981, 113943, 333833, 1001499, 6342827, 19028481]

約数ペア:

[(1, 19028481), (3, 6342827), (19, 1001499), (57, 333833), (167, 113943), (501, 37981), (1999, 9519), (3173, 5997)]