18208528

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{87541}}^1$

素因数の和:87562

約数の個数: 20

約数和(自身を含む): 37993228

約数和(自身を除く): 19784700

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 87541, 175082, 350164, 700328, 1138033, 1400656, 2276066, 4552132, 9104264, 18208528]

約数ペア:

[(1, 18208528), (2, 9104264), (4, 4552132), (8, 2276066), (13, 1400656), (16, 1138033), (26, 700328), (52, 350164), (104, 175082), (208, 87541)]