19335939

素因数分解:

$3^1\times 7^3\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1$

素因数の和:109

約数の個数: 64

約数和(自身を含む): 33792000

約数和(自身を除く): 14456061

約数列:

[1, 3, 7, 19, 21, 23, 43, 49, 57, 69, 129, 133, 147, 161, 301, 343, 399, 437, 483, 817, 903, 931, 989, 1029, 1127, 1311, 2107, 2451, 2793, 2967, 3059, 3381, 5719, 6321, 6517, 6923, 7889, 9177, 14749, 17157, 18791, 19551, 20769, 21413, 23667, 40033, 44247, 48461, 56373, 64239, 120099, 131537, 145383, 149891, 280231, 339227, 394611, 449673, 840693, 920759, 1017681, 2762277, 6445313, 19335939]

約数ペア:

[(1, 19335939), (3, 6445313), (7, 2762277), (19, 1017681), (21, 920759), (23, 840693), (43, 449673), (49, 394611), (57, 339227), (69, 280231), (129, 149891), (133, 145383), (147, 131537), (161, 120099), (301, 64239), (343, 56373), (399, 48461), (437, 44247), (483, 40033), (817, 23667), (903, 21413), (931, 20769), (989, 19551), (1029, 18791), (1127, 17157), (1311, 14749), (2107, 9177), (2451, 7889), (2793, 6923), (2967, 6517), (3059, 6321), (3381, 5719)]