18218553665

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{419}}^1\times {\mathrm{668939}}^1$

素因数の和:669376

約数の個数: 16

約数和(自身を含む): 23600203200

約数和(自身を除く): 5381649535

約数列:

[1, 5, 13, 65, 419, 2095, 5447, 27235, 668939, 3344695, 8696207, 43481035, 280285441, 1401427205, 3643710733, 18218553665]

約数ペア:

[(1, 18218553665), (5, 3643710733), (13, 1401427205), (65, 280285441), (419, 43481035), (2095, 8696207), (5447, 3344695), (27235, 668939)]