19996889

素因数分解:

${\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{101}}^1\times {\mathrm{439}}^1$

素因数の和:592

約数の個数: 16

約数和(自身を含む): 22619520

約数和(自身を除く): 2622631

約数列:

[1, 11, 41, 101, 439, 451, 1111, 4141, 4829, 17999, 44339, 45551, 197989, 487729, 1817899, 19996889]

約数ペア:

[(1, 19996889), (11, 1817899), (41, 487729), (101, 197989), (439, 45551), (451, 44339), (1111, 17999), (4141, 4829)]