15518060

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{421}}^1$

素因数の和:546

約数の個数: 48

約数和(自身を含む): 34739040

約数和(自身を除く): 19220980

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 97, 190, 194, 380, 388, 421, 485, 842, 970, 1684, 1843, 1940, 2105, 3686, 4210, 7372, 7999, 8420, 9215, 15998, 18430, 31996, 36860, 39995, 40837, 79990, 81674, 159980, 163348, 204185, 408370, 775903, 816740, 1551806, 3103612, 3879515, 7759030, 15518060]

約数ペア:

[(1, 15518060), (2, 7759030), (4, 3879515), (5, 3103612), (10, 1551806), (19, 816740), (20, 775903), (38, 408370), (76, 204185), (95, 163348), (97, 159980), (190, 81674), (194, 79990), (380, 40837), (388, 39995), (421, 36860), (485, 31996), (842, 18430), (970, 15998), (1684, 9215), (1843, 8420), (1940, 7999), (2105, 7372), (3686, 4210)]