18877412

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{19}}^2\times {\mathrm{769}}^1$

素因数の和:828

約数の個数: 36

約数和(自身を含む): 36964620

約数和(自身を除く): 18087208

約数列:

[1, 2, 4, 17, 19, 34, 38, 68, 76, 323, 361, 646, 722, 769, 1292, 1444, 1538, 3076, 6137, 12274, 13073, 14611, 24548, 26146, 29222, 52292, 58444, 248387, 277609, 496774, 555218, 993548, 1110436, 4719353, 9438706, 18877412]

約数ペア:

[(1, 18877412), (2, 9438706), (4, 4719353), (17, 1110436), (19, 993548), (34, 555218), (38, 496774), (68, 277609), (76, 248387), (323, 58444), (361, 52292), (646, 29222), (722, 26146), (769, 24548), (1292, 14611), (1444, 13073), (1538, 12274), (3076, 6137)]