18345969

素因数分解:

$3^2\times {\mathrm{37}}^2\times {\mathrm{1489}}^1$

素因数の和:1569

約数の個数: 18

約数和(自身を含む): 27253590

約数和(自身を除く): 8907621

約数列:

[1, 3, 9, 37, 111, 333, 1369, 1489, 4107, 4467, 12321, 13401, 55093, 165279, 495837, 2038441, 6115323, 18345969]

約数ペア:

[(1, 18345969), (3, 6115323), (9, 2038441), (37, 495837), (111, 165279), (333, 55093), (1369, 13401), (1489, 12321), (4107, 4467)]