18861544

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{181361}}^1$

素因数の和:181380

約数の個数: 16

約数和(自身を含む): 38086020

約数和(自身を除く): 19224476

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 181361, 362722, 725444, 1450888, 2357693, 4715386, 9430772, 18861544]

約数ペア:

[(1, 18861544), (2, 9430772), (4, 4715386), (8, 2357693), (13, 1450888), (26, 725444), (52, 362722), (104, 181361)]