18876172

素因数分解:

$2^2\times 7^2\times {\mathrm{193}}^1\times {\mathrm{499}}^1$

素因数の和:710

約数の個数: 36

約数和(自身を含む): 38703000

約数和(自身を除く): 19826828

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 193, 196, 386, 499, 772, 998, 1351, 1996, 2702, 3493, 5404, 6986, 9457, 13972, 18914, 24451, 37828, 48902, 96307, 97804, 192614, 385228, 674149, 1348298, 2696596, 4719043, 9438086, 18876172]

約数ペア:

[(1, 18876172), (2, 9438086), (4, 4719043), (7, 2696596), (14, 1348298), (28, 674149), (49, 385228), (98, 192614), (193, 97804), (196, 96307), (386, 48902), (499, 37828), (772, 24451), (998, 18914), (1351, 13972), (1996, 9457), (2702, 6986), (3493, 5404)]