19842009

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{113}}^1\times {\mathrm{313}}^1$

素因数の和:457

約数の個数: 32

約数和(自身を含む): 30927744

約数和(自身を除く): 11085735

約数列:

[1, 3, 11, 17, 33, 51, 113, 187, 313, 339, 561, 939, 1243, 1921, 3443, 3729, 5321, 5763, 10329, 15963, 21131, 35369, 58531, 63393, 106107, 175593, 389059, 601273, 1167177, 1803819, 6614003, 19842009]

約数ペア:

[(1, 19842009), (3, 6614003), (11, 1803819), (17, 1167177), (33, 601273), (51, 389059), (113, 175593), (187, 106107), (313, 63393), (339, 58531), (561, 35369), (939, 21131), (1243, 15963), (1921, 10329), (3443, 5763), (3729, 5321)]