19025468

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{223}}^1\times {\mathrm{277}}^1$

素因数の和:522

約数の個数: 48

約数和(自身を含む): 41846784

約数和(自身を除く): 22821316

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 154, 223, 277, 308, 446, 554, 892, 1108, 1561, 1939, 2453, 3047, 3122, 3878, 4906, 6094, 6244, 7756, 9812, 12188, 17171, 21329, 34342, 42658, 61771, 68684, 85316, 123542, 247084, 432397, 679481, 864794, 1358962, 1729588, 2717924, 4756367, 9512734, 19025468]

約数ペア:

[(1, 19025468), (2, 9512734), (4, 4756367), (7, 2717924), (11, 1729588), (14, 1358962), (22, 864794), (28, 679481), (44, 432397), (77, 247084), (154, 123542), (223, 85316), (277, 68684), (308, 61771), (446, 42658), (554, 34342), (892, 21329), (1108, 17171), (1561, 12188), (1939, 9812), (2453, 7756), (3047, 6244), (3122, 6094), (3878, 4906)]