18281285

素因数分解:

$5^1\times {\mathrm{11}}^3\times {\mathrm{41}}^1\times {\mathrm{67}}^1$

素因数の和:146

約数の個数: 32

約数和(自身を含む): 25087104

約数和(自身を除く): 6805819

約数列:

[1, 5, 11, 41, 55, 67, 121, 205, 335, 451, 605, 737, 1331, 2255, 2747, 3685, 4961, 6655, 8107, 13735, 24805, 30217, 40535, 54571, 89177, 151085, 272855, 332387, 445885, 1661935, 3656257, 18281285]

約数ペア:

[(1, 18281285), (5, 3656257), (11, 1661935), (41, 445885), (55, 332387), (67, 272855), (121, 151085), (205, 89177), (335, 54571), (451, 40535), (605, 30217), (737, 24805), (1331, 13735), (2255, 8107), (2747, 6655), (3685, 4961)]