19764993

素因数分解:

$3^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{101}}^1$

素因数の和:225

約数の個数: 32

約数和(自身を含む): 28651392

約数和(自身を除く): 8886399

約数列:

[1, 3, 37, 41, 43, 101, 111, 123, 129, 303, 1517, 1591, 1763, 3737, 4141, 4343, 4551, 4773, 5289, 11211, 12423, 13029, 65231, 153217, 160691, 178063, 195693, 459651, 482073, 534189, 6588331, 19764993]

約数ペア:

[(1, 19764993), (3, 6588331), (37, 534189), (41, 482073), (43, 459651), (101, 195693), (111, 178063), (123, 160691), (129, 153217), (303, 65231), (1517, 13029), (1591, 12423), (1763, 11211), (3737, 5289), (4141, 4773), (4343, 4551)]