18006494

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{37}}^1\times {\mathrm{2011}}^1$

素因数の和:2072

約数の個数: 24

約数和(自身を含む): 30505944

約数和(自身を除く): 12499450

約数列:

[1, 2, 11, 22, 37, 74, 121, 242, 407, 814, 2011, 4022, 4477, 8954, 22121, 44242, 74407, 148814, 243331, 486662, 818477, 1636954, 9003247, 18006494]

約数ペア:

[(1, 18006494), (2, 9003247), (11, 1636954), (22, 818477), (37, 486662), (74, 243331), (121, 148814), (242, 74407), (407, 44242), (814, 22121), (2011, 8954), (4022, 4477)]