17918888

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{172297}}^1$

素因数の和:172316

約数の個数: 16

約数和(自身を含む): 36182580

約数和(自身を除く): 18263692

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 172297, 344594, 689188, 1378376, 2239861, 4479722, 8959444, 17918888]

約数ペア:

[(1, 17918888), (2, 8959444), (4, 4479722), (8, 2239861), (13, 1378376), (26, 689188), (52, 344594), (104, 172297)]