19019028

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{257}}^1\times {\mathrm{881}}^1$

素因数の和:1152

約数の個数: 48

約数和(自身を含む): 50972544

約数和(自身を除く): 31953516

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 257, 514, 771, 881, 1028, 1542, 1762, 1799, 2643, 3084, 3524, 3598, 5286, 5397, 6167, 7196, 10572, 10794, 12334, 18501, 21588, 24668, 37002, 74004, 226417, 452834, 679251, 905668, 1358502, 1584919, 2717004, 3169838, 4754757, 6339676, 9509514, 19019028]

約数ペア:

[(1, 19019028), (2, 9509514), (3, 6339676), (4, 4754757), (6, 3169838), (7, 2717004), (12, 1584919), (14, 1358502), (21, 905668), (28, 679251), (42, 452834), (84, 226417), (257, 74004), (514, 37002), (771, 24668), (881, 21588), (1028, 18501), (1542, 12334), (1762, 10794), (1799, 10572), (2643, 7196), (3084, 6167), (3524, 5397), (3598, 5286)]