18637424

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{89603}}^1$

素因数の和:89624

約数の個数: 20

約数和(自身を含む): 38888136

約数和(自身を除く): 20250712

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 89603, 179206, 358412, 716824, 1164839, 1433648, 2329678, 4659356, 9318712, 18637424]

約数ペア:

[(1, 18637424), (2, 9318712), (4, 4659356), (8, 2329678), (13, 1433648), (16, 1164839), (26, 716824), (52, 358412), (104, 179206), (208, 89603)]