19189168

素因数分解:

$2^4\times {\mathrm{157}}^1\times {\mathrm{7639}}^1$

素因数の和:7804

約数の個数: 20

約数和(自身を含む): 37420720

約数和(自身を除く): 18231552

約数列:

[1, 2, 4, 8, 16, 157, 314, 628, 1256, 2512, 7639, 15278, 30556, 61112, 122224, 1199323, 2398646, 4797292, 9594584, 19189168]

約数ペア:

[(1, 19189168), (2, 9594584), (4, 4797292), (8, 2398646), (16, 1199323), (157, 122224), (314, 61112), (628, 30556), (1256, 15278), (2512, 7639)]