19568912

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{111187}}^1$

素因数の和:111206

約数の個数: 20

約数和(自身を含む): 41361936

約数和(自身を除く): 21793024

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 111187, 222374, 444748, 889496, 1223057, 1778992, 2446114, 4892228, 9784456, 19568912]

約数ペア:

[(1, 19568912), (2, 9784456), (4, 4892228), (8, 2446114), (11, 1778992), (16, 1223057), (22, 889496), (44, 444748), (88, 222374), (176, 111187)]