23519853

素因数分解:

$3^2\times 7^3\times {\mathrm{19}}^1\times {\mathrm{401}}^1$

素因数の和:447

約数の個数: 48

約数和(自身を含む): 41808000

約数和(自身を除く): 18288147

約数列:

[1, 3, 7, 9, 19, 21, 49, 57, 63, 133, 147, 171, 343, 399, 401, 441, 931, 1029, 1197, 1203, 2793, 2807, 3087, 3609, 6517, 7619, 8379, 8421, 19551, 19649, 22857, 25263, 53333, 58653, 58947, 68571, 137543, 159999, 176841, 373331, 412629, 479997, 1119993, 1237887, 2613317, 3359979, 7839951, 23519853]

約数ペア:

[(1, 23519853), (3, 7839951), (7, 3359979), (9, 2613317), (19, 1237887), (21, 1119993), (49, 479997), (57, 412629), (63, 373331), (133, 176841), (147, 159999), (171, 137543), (343, 68571), (399, 58947), (401, 58653), (441, 53333), (931, 25263), (1029, 22857), (1197, 19649), (1203, 19551), (2793, 8421), (2807, 8379), (3087, 7619), (3609, 6517)]