18839451

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{109}}^1\times {\mathrm{3389}}^1$

素因数の和:3518

約数の個数: 16

約数和(自身を含む): 26848800

約数和(自身を除く): 8009349

約数列:

[1, 3, 17, 51, 109, 327, 1853, 3389, 5559, 10167, 57613, 172839, 369401, 1108203, 6279817, 18839451]

約数ペア:

[(1, 18839451), (3, 6279817), (17, 1108203), (51, 369401), (109, 172839), (327, 57613), (1853, 10167), (3389, 5559)]