19817967

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{6961}}^1$

素因数の和:7050

約数の個数: 16

約数和(自身を含む): 28850528

約数和(自身を除く): 9032561

約数列:

[1, 3, 13, 39, 73, 219, 949, 2847, 6961, 20883, 90493, 271479, 508153, 1524459, 6605989, 19817967]

約数ペア:

[(1, 19817967), (3, 6605989), (13, 1524459), (39, 508153), (73, 271479), (219, 90493), (949, 20883), (2847, 6961)]