18678957

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^3$

素因数の和:126

約数の個数: 32

約数和(自身を含む): 29552640

約数和(自身を除く): 10873683

約数列:

[1, 3, 11, 19, 31, 33, 57, 93, 209, 341, 589, 627, 961, 1023, 1767, 2883, 6479, 10571, 18259, 19437, 29791, 31713, 54777, 89373, 200849, 327701, 566029, 602547, 983103, 1698087, 6226319, 18678957]

約数ペア:

[(1, 18678957), (3, 6226319), (11, 1698087), (19, 983103), (31, 602547), (33, 566029), (57, 327701), (93, 200849), (209, 89373), (341, 54777), (589, 31713), (627, 29791), (961, 19437), (1023, 18259), (1767, 10571), (2883, 6479)]