18759772

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{109}}^1\times {\mathrm{2531}}^1$

素因数の和:2661

約数の個数: 24

約数和(自身を含む): 35093520

約数和(自身を除く): 16333748

約数列:

[1, 2, 4, 17, 34, 68, 109, 218, 436, 1853, 2531, 3706, 5062, 7412, 10124, 43027, 86054, 172108, 275879, 551758, 1103516, 4689943, 9379886, 18759772]

約数ペア:

[(1, 18759772), (2, 9379886), (4, 4689943), (17, 1103516), (34, 551758), (68, 275879), (109, 172108), (218, 86054), (436, 43027), (1853, 10124), (2531, 7412), (3706, 5062)]