1638863824

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{7879153}}^1$

素因数の和:7879174

約数の個数: 20

約数和(自身を含む): 3419552836

約数和(自身を除く): 1780689012

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 7879153, 15758306, 31516612, 63033224, 102428989, 126066448, 204857978, 409715956, 819431912, 1638863824]

約数ペア:

[(1, 1638863824), (2, 819431912), (4, 409715956), (8, 204857978), (13, 126066448), (16, 102428989), (26, 63033224), (52, 31516612), (104, 15758306), (208, 7879153)]