19615828

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{199}}^1\times {\mathrm{1297}}^1$

素因数の和:1519

約数の個数: 24

約数和(自身を含む): 36344000

約数和(自身を除く): 16728172

約数列:

[1, 2, 4, 19, 38, 76, 199, 398, 796, 1297, 2594, 3781, 5188, 7562, 15124, 24643, 49286, 98572, 258103, 516206, 1032412, 4903957, 9807914, 19615828]

約数ペア:

[(1, 19615828), (2, 9807914), (4, 4903957), (19, 1032412), (38, 516206), (76, 258103), (199, 98572), (398, 49286), (796, 24643), (1297, 15124), (2594, 7562), (3781, 5188)]