18970029

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{281}}^1\times {\mathrm{577}}^1$

素因数の和:877

約数の個数: 24

約数和(自身を含む): 29665272

約数和(自身を除く): 10695243

約数列:

[1, 3, 9, 13, 39, 117, 281, 577, 843, 1731, 2529, 3653, 5193, 7501, 10959, 22503, 32877, 67509, 162137, 486411, 1459233, 2107781, 6323343, 18970029]

約数ペア:

[(1, 18970029), (3, 6323343), (9, 2107781), (13, 1459233), (39, 486411), (117, 162137), (281, 67509), (577, 32877), (843, 22503), (1731, 10959), (2529, 7501), (3653, 5193)]