18744474

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{97}}^1\times {\mathrm{107}}^1$

素因数の和:259

約数の個数: 64

約数和(自身を含む): 44706816

約数和(自身を除く): 25962342

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 43, 86, 97, 107, 129, 194, 214, 258, 291, 301, 321, 582, 602, 642, 679, 749, 903, 1358, 1498, 1806, 2037, 2247, 4074, 4171, 4494, 4601, 8342, 9202, 10379, 12513, 13803, 20758, 25026, 27606, 29197, 31137, 32207, 58394, 62274, 64414, 72653, 87591, 96621, 145306, 175182, 193242, 217959, 435918, 446297, 892594, 1338891, 2677782, 3124079, 6248158, 9372237, 18744474]

約数ペア:

[(1, 18744474), (2, 9372237), (3, 6248158), (6, 3124079), (7, 2677782), (14, 1338891), (21, 892594), (42, 446297), (43, 435918), (86, 217959), (97, 193242), (107, 175182), (129, 145306), (194, 96621), (214, 87591), (258, 72653), (291, 64414), (301, 62274), (321, 58394), (582, 32207), (602, 31137), (642, 29197), (679, 27606), (749, 25026), (903, 20758), (1358, 13803), (1498, 12513), (1806, 10379), (2037, 9202), (2247, 8342), (4074, 4601), (4171, 4494)]