18598360

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{983}}^1$

素因数の和:1048

約数の個数: 64

約数和(自身を含む): 46759680

約数和(自身を除く): 28161320

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 43, 44, 55, 86, 88, 110, 172, 215, 220, 344, 430, 440, 473, 860, 946, 983, 1720, 1892, 1966, 2365, 3784, 3932, 4730, 4915, 7864, 9460, 9830, 10813, 18920, 19660, 21626, 39320, 42269, 43252, 54065, 84538, 86504, 108130, 169076, 211345, 216260, 338152, 422690, 432520, 464959, 845380, 929918, 1690760, 1859836, 2324795, 3719672, 4649590, 9299180, 18598360]

約数ペア:

[(1, 18598360), (2, 9299180), (4, 4649590), (5, 3719672), (8, 2324795), (10, 1859836), (11, 1690760), (20, 929918), (22, 845380), (40, 464959), (43, 432520), (44, 422690), (55, 338152), (86, 216260), (88, 211345), (110, 169076), (172, 108130), (215, 86504), (220, 84538), (344, 54065), (430, 43252), (440, 42269), (473, 39320), (860, 21626), (946, 19660), (983, 18920), (1720, 10813), (1892, 9830), (1966, 9460), (2365, 7864), (3784, 4915), (3932, 4730)]