2019950781

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{21701}}^1$

素因数の和:21817

約数の個数: 32

約数和(自身を含む): 3000084480

約数和(自身を除く): 980133699

約数列:

[1, 3, 19, 23, 57, 69, 71, 213, 437, 1311, 1349, 1633, 4047, 4899, 21701, 31027, 65103, 93081, 412319, 499123, 1236957, 1497369, 1540771, 4622313, 9483337, 28450011, 29274649, 35437733, 87823947, 106313199, 673316927, 2019950781]

約数ペア:

[(1, 2019950781), (3, 673316927), (19, 106313199), (23, 87823947), (57, 35437733), (69, 29274649), (71, 28450011), (213, 9483337), (437, 4622313), (1311, 1540771), (1349, 1497369), (1633, 1236957), (4047, 499123), (4899, 412319), (21701, 93081), (31027, 65103)]