18810893

素因数分解:

${\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{109}}^1\times {\mathrm{293}}^1$

素因数の和:452

約数の個数: 16

約数和(自身を含む): 20697600

約数和(自身を除く): 1886707

約数列:

[1, 19, 31, 109, 293, 589, 2071, 3379, 5567, 9083, 31937, 64201, 172577, 606803, 990047, 18810893]

約数ペア:

[(1, 18810893), (19, 990047), (31, 606803), (109, 172577), (293, 64201), (589, 31937), (2071, 9083), (3379, 5567)]