18139784

素因数分解:

$2^3\times {\mathrm{13}}^2\times {\mathrm{13417}}^1$

素因数の和:13449

約数の個数: 24

約数和(自身を含む): 36832410

約数和(自身を除く): 18692626

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 169, 338, 676, 1352, 13417, 26834, 53668, 107336, 174421, 348842, 697684, 1395368, 2267473, 4534946, 9069892, 18139784]

約数ペア:

[(1, 18139784), (2, 9069892), (4, 4534946), (8, 2267473), (13, 1395368), (26, 697684), (52, 348842), (104, 174421), (169, 107336), (338, 53668), (676, 26834), (1352, 13417)]