19136912

素因数分解:

$2^4\times {\mathrm{109}}^1\times {\mathrm{10973}}^1$

素因数の和:11090

約数の個数: 20

約数和(自身を含む): 37421340

約数和(自身を除く): 18284428

約数列:

[1, 2, 4, 8, 16, 109, 218, 436, 872, 1744, 10973, 21946, 43892, 87784, 175568, 1196057, 2392114, 4784228, 9568456, 19136912]

約数ペア:

[(1, 19136912), (2, 9568456), (4, 4784228), (8, 2392114), (16, 1196057), (109, 175568), (218, 87784), (436, 43892), (872, 21946), (1744, 10973)]