18910565576

素因数分解:

$2^3\times 7^1\times {\mathrm{337688671}}^1$

素因数の和:337688684

約数の個数: 16

約数和(自身を含む): 40522640640

約数和(自身を除く): 21612075064

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 337688671, 675377342, 1350754684, 2363820697, 2701509368, 4727641394, 9455282788, 18910565576]

約数ペア:

[(1, 18910565576), (2, 9455282788), (4, 4727641394), (7, 2701509368), (8, 2363820697), (14, 1350754684), (28, 675377342), (56, 337688671)]