19667277

素因数分解:

$3^2\times 7^3\times {\mathrm{23}}^1\times {\mathrm{277}}^1$

素因数の和:327

約数の個数: 48

約数和(自身を含む): 34694400

約数和(自身を除く): 15027123

約数列:

[1, 3, 7, 9, 21, 23, 49, 63, 69, 147, 161, 207, 277, 343, 441, 483, 831, 1029, 1127, 1449, 1939, 2493, 3087, 3381, 5817, 6371, 7889, 10143, 13573, 17451, 19113, 23667, 40719, 44597, 57339, 71001, 95011, 122157, 133791, 285033, 312179, 401373, 855099, 936537, 2185253, 2809611, 6555759, 19667277]

約数ペア:

[(1, 19667277), (3, 6555759), (7, 2809611), (9, 2185253), (21, 936537), (23, 855099), (49, 401373), (63, 312179), (69, 285033), (147, 133791), (161, 122157), (207, 95011), (277, 71001), (343, 57339), (441, 44597), (483, 40719), (831, 23667), (1029, 19113), (1127, 17451), (1449, 13573), (1939, 10143), (2493, 7889), (3087, 6371), (3381, 5817)]