1919984

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{10909}}^1$

素因数の和:10928

約数の個数: 20

約数和(自身を含む): 4058520

約数和(自身を除く): 2138536

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 10909, 21818, 43636, 87272, 119999, 174544, 239998, 479996, 959992, 1919984]

約数ペア:

[(1, 1919984), (2, 959992), (4, 479996), (8, 239998), (11, 174544), (16, 119999), (22, 87272), (44, 43636), (88, 21818), (176, 10909)]