18929745

素因数分解:

$3^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{7937}}^1$

素因数の和:8001

約数の個数: 24

約数和(自身を含む): 33434856

約数和(自身を除く): 14505111

約数列:

[1, 3, 5, 9, 15, 45, 53, 159, 265, 477, 795, 2385, 7937, 23811, 39685, 71433, 119055, 357165, 420661, 1261983, 2103305, 3785949, 6309915, 18929745]

約数ペア:

[(1, 18929745), (3, 6309915), (5, 3785949), (9, 2103305), (15, 1261983), (45, 420661), (53, 357165), (159, 119055), (265, 71433), (477, 39685), (795, 23811), (2385, 7937)]