19129748

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{409}}^1\times {\mathrm{1063}}^1$

素因数の和:1487

約数の個数: 24

約数和(自身を含む): 36644160

約数和(自身を除く): 17514412

約数列:

[1, 2, 4, 11, 22, 44, 409, 818, 1063, 1636, 2126, 4252, 4499, 8998, 11693, 17996, 23386, 46772, 434767, 869534, 1739068, 4782437, 9564874, 19129748]

約数ペア:

[(1, 19129748), (2, 9564874), (4, 4782437), (11, 1739068), (22, 869534), (44, 434767), (409, 46772), (818, 23386), (1063, 17996), (1636, 11693), (2126, 8998), (4252, 4499)]