18893776

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{107351}}^1$

素因数の和:107370

約数の個数: 20

約数和(自身を含む): 39934944

約数和(自身を除く): 21041168

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 107351, 214702, 429404, 858808, 1180861, 1717616, 2361722, 4723444, 9446888, 18893776]

約数ペア:

[(1, 18893776), (2, 9446888), (4, 4723444), (8, 2361722), (11, 1717616), (16, 1180861), (22, 858808), (44, 429404), (88, 214702), (176, 107351)]