18418456

素因数分解:

$2^3\times 7^1\times {\mathrm{328901}}^1$

素因数の和:328914

約数の個数: 16

約数和(自身を含む): 39468240

約数和(自身を除く): 21049784

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 328901, 657802, 1315604, 2302307, 2631208, 4604614, 9209228, 18418456]

約数ペア:

[(1, 18418456), (2, 9209228), (4, 4604614), (7, 2631208), (8, 2302307), (14, 1315604), (28, 657802), (56, 328901)]