18984932937

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{509}}^1\times {\mathrm{243781}}^1$

素因数の和:244313

約数の個数: 24

約数和(自身を含む): 29092943880

約数和(自身を除く): 10108010943

約数列:

[1, 3, 9, 17, 51, 153, 509, 1527, 4581, 8653, 25959, 77877, 243781, 731343, 2194029, 4144277, 12432831, 37298493, 124084529, 372253587, 1116760761, 2109436993, 6328310979, 18984932937]

約数ペア:

[(1, 18984932937), (3, 6328310979), (9, 2109436993), (17, 1116760761), (51, 372253587), (153, 124084529), (509, 37298493), (1527, 12432831), (4581, 4144277), (8653, 2194029), (25959, 731343), (77877, 243781)]