18899661

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{701}}^1$

素因数の和:777

約数の個数: 32

約数和(自身を含む): 29652480

約数和(自身を除く): 10752819

約数列:

[1, 3, 11, 19, 33, 43, 57, 129, 209, 473, 627, 701, 817, 1419, 2103, 2451, 7711, 8987, 13319, 23133, 26961, 30143, 39957, 90429, 146509, 331573, 439527, 572717, 994719, 1718151, 6299887, 18899661]

約数ペア:

[(1, 18899661), (3, 6299887), (11, 1718151), (19, 994719), (33, 572717), (43, 439527), (57, 331573), (129, 146509), (209, 90429), (473, 39957), (627, 30143), (701, 26961), (817, 23133), (1419, 13319), (2103, 8987), (2451, 7711)]