15980404

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{179}}^1\times {\mathrm{2029}}^1$

素因数の和:2223

約数の個数: 24

約数和(自身を含む): 30693600

約数和(自身を除く): 14713196

約数列:

[1, 2, 4, 11, 22, 44, 179, 358, 716, 1969, 2029, 3938, 4058, 7876, 8116, 22319, 44638, 89276, 363191, 726382, 1452764, 3995101, 7990202, 15980404]

約数ペア:

[(1, 15980404), (2, 7990202), (4, 3995101), (11, 1452764), (22, 726382), (44, 363191), (179, 89276), (358, 44638), (716, 22319), (1969, 8116), (2029, 7876), (3938, 4058)]