19627792

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{72161}}^1$

素因数の和:72186

約数の個数: 20

約数和(自身を含む): 40266396

約数和(自身を除く): 20638604

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 72161, 144322, 288644, 577288, 1154576, 1226737, 2453474, 4906948, 9813896, 19627792]

約数ペア:

[(1, 19627792), (2, 9813896), (4, 4906948), (8, 2453474), (16, 1226737), (17, 1154576), (34, 577288), (68, 288644), (136, 144322), (272, 72161)]