18242728

素因数分解:

$2^3\times 7^1\times {\mathrm{199}}^1\times {\mathrm{1637}}^1$

素因数の和:1849

約数の個数: 32

約数和(自身を含む): 39312000

約数和(自身を除く): 21069272

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 199, 398, 796, 1393, 1592, 1637, 2786, 3274, 5572, 6548, 11144, 11459, 13096, 22918, 45836, 91672, 325763, 651526, 1303052, 2280341, 2606104, 4560682, 9121364, 18242728]

約数ペア:

[(1, 18242728), (2, 9121364), (4, 4560682), (7, 2606104), (8, 2280341), (14, 1303052), (28, 651526), (56, 325763), (199, 91672), (398, 45836), (796, 22918), (1393, 13096), (1592, 11459), (1637, 11144), (2786, 6548), (3274, 5572)]