18873621

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{3163}}^1$

素因数の和:3202

約数の個数: 32

約数和(自身を含む): 31893120

約数和(自身を除く): 13019499

約数列:

[1, 3, 9, 13, 17, 27, 39, 51, 117, 153, 221, 351, 459, 663, 1989, 3163, 5967, 9489, 28467, 41119, 53771, 85401, 123357, 161313, 370071, 483939, 699023, 1110213, 1451817, 2097069, 6291207, 18873621]

約数ペア:

[(1, 18873621), (3, 6291207), (9, 2097069), (13, 1451817), (17, 1110213), (27, 699023), (39, 483939), (51, 370071), (117, 161313), (153, 123357), (221, 85401), (351, 53771), (459, 41119), (663, 28467), (1989, 9489), (3163, 5967)]