18028109

素因数分解:

${\mathrm{11}}^1\times {\mathrm{17}}^2\times {\mathrm{53}}^1\times {\mathrm{107}}^1$

素因数の和:205

約数の個数: 24

約数和(自身を含む): 21485088

約数和(自身を除く): 3456979

約数列:

[1, 11, 17, 53, 107, 187, 289, 583, 901, 1177, 1819, 3179, 5671, 9911, 15317, 20009, 30923, 62381, 96407, 168487, 340153, 1060477, 1638919, 18028109]

約数ペア:

[(1, 18028109), (11, 1638919), (17, 1060477), (53, 340153), (107, 168487), (187, 96407), (289, 62381), (583, 30923), (901, 20009), (1177, 15317), (1819, 9911), (3179, 5671)]