19556817

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{1889}}^1$

素因数の和:1945

約数の個数: 32

約数和(自身を含む): 32659200

約数和(自身を除く): 13102383

約数列:

[1, 3, 7, 17, 21, 29, 51, 87, 119, 203, 357, 493, 609, 1479, 1889, 3451, 5667, 10353, 13223, 32113, 39669, 54781, 96339, 164343, 224791, 383467, 674373, 931277, 1150401, 2793831, 6518939, 19556817]

約数ペア:

[(1, 19556817), (3, 6518939), (7, 2793831), (17, 1150401), (21, 931277), (29, 674373), (51, 383467), (87, 224791), (119, 164343), (203, 96339), (357, 54781), (493, 39669), (609, 32113), (1479, 13223), (1889, 10353), (3451, 5667)]