19791824

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{95153}}^1$

素因数の和:95174

約数の個数: 20

約数和(自身を含む): 41296836

約数和(自身を除く): 21505012

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 95153, 190306, 380612, 761224, 1236989, 1522448, 2473978, 4947956, 9895912, 19791824]

約数ペア:

[(1, 19791824), (2, 9895912), (4, 4947956), (8, 2473978), (13, 1522448), (16, 1236989), (26, 761224), (52, 380612), (104, 190306), (208, 95153)]