18438189

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{4201}}^1$

素因数の和:4241

約数の個数: 32

約数和(自身を含む): 32271360

約数和(自身を除く): 13833171

約数列:

[1, 3, 7, 11, 19, 21, 33, 57, 77, 133, 209, 231, 399, 627, 1463, 4201, 4389, 12603, 29407, 46211, 79819, 88221, 138633, 239457, 323477, 558733, 878009, 970431, 1676199, 2634027, 6146063, 18438189]

約数ペア:

[(1, 18438189), (3, 6146063), (7, 2634027), (11, 1676199), (19, 970431), (21, 878009), (33, 558733), (57, 323477), (77, 239457), (133, 138633), (209, 88221), (231, 79819), (399, 46211), (627, 29407), (1463, 12603), (4201, 4389)]