19425465

素因数分解:

$3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{10039}}^1$

素因数の和:10093

約数の個数: 24

約数和(自身を含む): 34457280

約数和(自身を除く): 15031815

約数列:

[1, 3, 5, 9, 15, 43, 45, 129, 215, 387, 645, 1935, 10039, 30117, 50195, 90351, 150585, 431677, 451755, 1295031, 2158385, 3885093, 6475155, 19425465]

約数ペア:

[(1, 19425465), (3, 6475155), (5, 3885093), (9, 2158385), (15, 1295031), (43, 451755), (45, 431677), (129, 150585), (215, 90351), (387, 50195), (645, 30117), (1935, 10039)]