1821443312

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{8756939}}^1$

素因数の和:8756960

約数の個数: 20

約数和(自身を含む): 3800511960

約数和(自身を除く): 1979068648

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 8756939, 17513878, 35027756, 70055512, 113840207, 140111024, 227680414, 455360828, 910721656, 1821443312]

約数ペア:

[(1, 1821443312), (2, 910721656), (4, 455360828), (8, 227680414), (13, 140111024), (16, 113840207), (26, 70055512), (52, 35027756), (104, 17513878), (208, 8756939)]