19067721

素因数分解:

$3^1\times {\mathrm{107}}^1\times {\mathrm{191}}^1\times {\mathrm{311}}^1$

素因数の和:612

約数の個数: 16

約数和(自身を含む): 25878528

約数和(自身を除く): 6810807

約数列:

[1, 3, 107, 191, 311, 321, 573, 933, 20437, 33277, 59401, 61311, 99831, 178203, 6355907, 19067721]

約数ペア:

[(1, 19067721), (3, 6355907), (107, 178203), (191, 99831), (311, 61311), (321, 59401), (573, 33277), (933, 20437)]