18798812

素因数分解:

$2^2\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{1789}}^1$

素因数の和:1901

約数の個数: 24

約数和(自身を含む): 34282080

約数和(自身を除く): 15483268

約数列:

[1, 2, 4, 37, 71, 74, 142, 148, 284, 1789, 2627, 3578, 5254, 7156, 10508, 66193, 127019, 132386, 254038, 264772, 508076, 4699703, 9399406, 18798812]

約数ペア:

[(1, 18798812), (2, 9399406), (4, 4699703), (37, 508076), (71, 264772), (74, 254038), (142, 132386), (148, 127019), (284, 66193), (1789, 10508), (2627, 7156), (3578, 5254)]