18812354

素因数分解:

$2^1\times {\mathrm{11}}^3\times {\mathrm{37}}^1\times {\mathrm{191}}^1$

素因数の和:263

約数の個数: 32

約数和(自身を含む): 32044032

約数和(自身を除く): 13231678

約数列:

[1, 2, 11, 22, 37, 74, 121, 191, 242, 382, 407, 814, 1331, 2101, 2662, 4202, 4477, 7067, 8954, 14134, 23111, 46222, 49247, 77737, 98494, 155474, 254221, 508442, 855107, 1710214, 9406177, 18812354]

約数ペア:

[(1, 18812354), (2, 9406177), (11, 1710214), (22, 855107), (37, 508442), (74, 254221), (121, 155474), (191, 98494), (242, 77737), (382, 49247), (407, 46222), (814, 23111), (1331, 14134), (2101, 8954), (2662, 7067), (4202, 4477)]