18427479

素因数分解:

$3^1\times 7^2\times {\mathrm{67}}^1\times {\mathrm{1871}}^1$

素因数の和:1955

約数の個数: 24

約数和(自身を含む): 29023488

約数和(自身を除く): 10596009

約数列:

[1, 3, 7, 21, 49, 67, 147, 201, 469, 1407, 1871, 3283, 5613, 9849, 13097, 39291, 91679, 125357, 275037, 376071, 877499, 2632497, 6142493, 18427479]

約数ペア:

[(1, 18427479), (3, 6142493), (7, 2632497), (21, 877499), (49, 376071), (67, 275037), (147, 125357), (201, 91679), (469, 39291), (1407, 13097), (1871, 9849), (3283, 5613)]