19858629

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{701}}^1$

素因数の和:801

約数の個数: 32

約数和(自身を含む): 32348160

約数和(自身を除く): 12489531

約数列:

[1, 3, 7, 19, 21, 57, 71, 133, 213, 399, 497, 701, 1349, 1491, 2103, 4047, 4907, 9443, 13319, 14721, 28329, 39957, 49771, 93233, 149313, 279699, 348397, 945649, 1045191, 2836947, 6619543, 19858629]

約数ペア:

[(1, 19858629), (3, 6619543), (7, 2836947), (19, 1045191), (21, 945649), (57, 348397), (71, 279699), (133, 149313), (213, 93233), (399, 49771), (497, 39957), (701, 28329), (1349, 14721), (1491, 13319), (2103, 9443), (4047, 4907)]