18867930464

素因数分解:

$2^5\times {\mathrm{53}}^1\times {\mathrm{313}}^1\times {\mathrm{35543}}^1$

素因数の和:35919

約数の個数: 48

約数和(自身を含む): 37969096032

約数和(自身を除く): 19101165568

約数列:

[1, 2, 4, 8, 16, 32, 53, 106, 212, 313, 424, 626, 848, 1252, 1696, 2504, 5008, 10016, 16589, 33178, 35543, 66356, 71086, 132712, 142172, 265424, 284344, 530848, 568688, 1137376, 1883779, 3767558, 7535116, 11124959, 15070232, 22249918, 30140464, 44499836, 60280928, 88999672, 177999344, 355998688, 589622827, 1179245654, 2358491308, 4716982616, 9433965232, 18867930464]

約数ペア:

[(1, 18867930464), (2, 9433965232), (4, 4716982616), (8, 2358491308), (16, 1179245654), (32, 589622827), (53, 355998688), (106, 177999344), (212, 88999672), (313, 60280928), (424, 44499836), (626, 30140464), (848, 22249918), (1252, 15070232), (1696, 11124959), (2504, 7535116), (5008, 3767558), (10016, 1883779), (16589, 1137376), (33178, 568688), (35543, 530848), (66356, 284344), (71086, 265424), (132712, 142172)]