18851211

素因数分解:

$3^6\times {\mathrm{19}}^1\times {\mathrm{1361}}^1$

素因数の和:1398

約数の個数: 28

約数和(自身を含む): 29773320

約数和(自身を除く): 10922109

約数列:

[1, 3, 9, 19, 27, 57, 81, 171, 243, 513, 729, 1361, 1539, 4083, 4617, 12249, 13851, 25859, 36747, 77577, 110241, 232731, 330723, 698193, 992169, 2094579, 6283737, 18851211]

約数ペア:

[(1, 18851211), (3, 6283737), (9, 2094579), (19, 992169), (27, 698193), (57, 330723), (81, 232731), (171, 110241), (243, 77577), (513, 36747), (729, 25859), (1361, 13851), (1539, 12249), (4083, 4617)]