201920444

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{417191}}^1$

素因数の和:417217

約数の個数: 18

約数和(自身を含む): 388405752

約数和(自身を除く): 186485308

約数列:

[1, 2, 4, 11, 22, 44, 121, 242, 484, 417191, 834382, 1668764, 4589101, 9178202, 18356404, 50480111, 100960222, 201920444]

約数ペア:

[(1, 201920444), (2, 100960222), (4, 50480111), (11, 18356404), (22, 9178202), (44, 4589101), (121, 1668764), (242, 834382), (484, 417191)]