18183668

素因数分解:

$2^2\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{1489}}^1$

素因数の和:1607

約数の個数: 24

約数和(自身を含む): 33042240

約数和(自身を除く): 14858572

約数列:

[1, 2, 4, 43, 71, 86, 142, 172, 284, 1489, 2978, 3053, 5956, 6106, 12212, 64027, 105719, 128054, 211438, 256108, 422876, 4545917, 9091834, 18183668]

約数ペア:

[(1, 18183668), (2, 9091834), (4, 4545917), (43, 422876), (71, 256108), (86, 211438), (142, 128054), (172, 105719), (284, 64027), (1489, 12212), (2978, 6106), (3053, 5956)]