17887792

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{85999}}^1$

素因数の和:86020

約数の個数: 20

約数和(自身を含む): 37324000

約数和(自身を除く): 19436208

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 85999, 171998, 343996, 687992, 1117987, 1375984, 2235974, 4471948, 8943896, 17887792]

約数ペア:

[(1, 17887792), (2, 8943896), (4, 4471948), (8, 2235974), (13, 1375984), (16, 1117987), (26, 687992), (52, 343996), (104, 171998), (208, 85999)]