19934781

素因数分解:

$3^1\times {\mathrm{19}}^2\times {\mathrm{79}}^1\times {\mathrm{233}}^1$

素因数の和:353

約数の個数: 24

約数和(自身を含む): 28529280

約数和(自身を除く): 8594499

約数列:

[1, 3, 19, 57, 79, 233, 237, 361, 699, 1083, 1501, 4427, 4503, 13281, 18407, 28519, 55221, 84113, 85557, 252339, 349733, 1049199, 6644927, 19934781]

約数ペア:

[(1, 19934781), (3, 6644927), (19, 1049199), (57, 349733), (79, 252339), (233, 85557), (237, 84113), (361, 55221), (699, 28519), (1083, 18407), (1501, 13281), (4427, 4503)]