18319112

素因数分解:

$2^3\times 7^1\times {\mathrm{327127}}^1$

素因数の和:327140

約数の個数: 16

約数和(自身を含む): 39255360

約数和(自身を除く): 20936248

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 327127, 654254, 1308508, 2289889, 2617016, 4579778, 9159556, 18319112]

約数ペア:

[(1, 18319112), (2, 9159556), (4, 4579778), (7, 2617016), (8, 2289889), (14, 1308508), (28, 654254), (56, 327127)]