17517968

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{84221}}^1$

素因数の和:84242

約数の個数: 20

約数和(自身を含む): 36552348

約数和(自身を除く): 19034380

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 84221, 168442, 336884, 673768, 1094873, 1347536, 2189746, 4379492, 8758984, 17517968]

約数ペア:

[(1, 17517968), (2, 8758984), (4, 4379492), (8, 2189746), (13, 1347536), (16, 1094873), (26, 673768), (52, 336884), (104, 168442), (208, 84221)]