18837351

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{233}}^1\times {\mathrm{691}}^1$

素因数の和:943

約数の個数: 24

約数和(自身を含む): 29470896

約数和(自身を除く): 10633545

約数列:

[1, 3, 9, 13, 39, 117, 233, 691, 699, 2073, 2097, 3029, 6219, 8983, 9087, 26949, 27261, 80847, 161003, 483009, 1449027, 2093039, 6279117, 18837351]

約数ペア:

[(1, 18837351), (3, 6279117), (9, 2093039), (13, 1449027), (39, 483009), (117, 161003), (233, 80847), (691, 27261), (699, 26949), (2073, 9087), (2097, 8983), (3029, 6219)]