18255951

素因数分解:

$3^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{293}}^1$

素因数の和:372

約数の個数: 48

約数和(自身を含む): 32288256

約数和(自身を除く): 14032305

約数列:

[1, 3, 7, 9, 21, 23, 43, 63, 69, 129, 161, 207, 293, 301, 387, 483, 879, 903, 989, 1449, 2051, 2637, 2709, 2967, 6153, 6739, 6923, 8901, 12599, 18459, 20217, 20769, 37797, 47173, 60651, 62307, 88193, 113391, 141519, 264579, 289777, 424557, 793737, 869331, 2028439, 2607993, 6085317, 18255951]

約数ペア:

[(1, 18255951), (3, 6085317), (7, 2607993), (9, 2028439), (21, 869331), (23, 793737), (43, 424557), (63, 289777), (69, 264579), (129, 141519), (161, 113391), (207, 88193), (293, 62307), (301, 60651), (387, 47173), (483, 37797), (879, 20769), (903, 20217), (989, 18459), (1449, 12599), (2051, 8901), (2637, 6923), (2709, 6739), (2967, 6153)]