18701276

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{38639}}^1$

素因数の和:38665

約数の個数: 18

約数和(自身を含む): 35973840

約数和(自身を除く): 17272564

約数列:

[1, 2, 4, 11, 22, 44, 121, 242, 484, 38639, 77278, 154556, 425029, 850058, 1700116, 4675319, 9350638, 18701276]

約数ペア:

[(1, 18701276), (2, 9350638), (4, 4675319), (11, 1700116), (22, 850058), (44, 425029), (121, 154556), (242, 77278), (484, 38639)]