18996870488

素因数分解:

$2^3\times {\mathrm{257}}^1\times {\mathrm{811}}^1\times {\mathrm{11393}}^1$

素因数の和:12467

約数の個数: 32

約数和(自身を含む): 35804961360

約数和(自身を除く): 16808090872

約数列:

[1, 2, 4, 8, 257, 514, 811, 1028, 1622, 2056, 3244, 6488, 11393, 22786, 45572, 91144, 208427, 416854, 833708, 1667416, 2928001, 5856002, 9239723, 11712004, 18479446, 23424008, 36958892, 73917784, 2374608811, 4749217622, 9498435244, 18996870488]

約数ペア:

[(1, 18996870488), (2, 9498435244), (4, 4749217622), (8, 2374608811), (257, 73917784), (514, 36958892), (811, 23424008), (1028, 18479446), (1622, 11712004), (2056, 9239723), (3244, 5856002), (6488, 2928001), (11393, 1667416), (22786, 833708), (45572, 416854), (91144, 208427)]