19948644

素因数分解:

$2^2\times 3^2\times {\mathrm{554129}}^1$

素因数の和:554139

約数の個数: 18

約数和(自身を含む): 50425830

約数和(自身を除く): 30477186

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 554129, 1108258, 1662387, 2216516, 3324774, 4987161, 6649548, 9974322, 19948644]

約数ペア:

[(1, 19948644), (2, 9974322), (3, 6649548), (4, 4987161), (6, 3324774), (9, 2216516), (12, 1662387), (18, 1108258), (36, 554129)]