19287279

素因数分解:

$3^2\times {\mathrm{11}}^2\times {\mathrm{89}}^1\times {\mathrm{199}}^1$

素因数の和:316

約数の個数: 36

約数和(自身を含む): 31122000

約数和(自身を除く): 11834721

約数列:

[1, 3, 9, 11, 33, 89, 99, 121, 199, 267, 363, 597, 801, 979, 1089, 1791, 2189, 2937, 6567, 8811, 10769, 17711, 19701, 24079, 32307, 53133, 72237, 96921, 159399, 194821, 216711, 584463, 1753389, 2143031, 6429093, 19287279]

約数ペア:

[(1, 19287279), (3, 6429093), (9, 2143031), (11, 1753389), (33, 584463), (89, 216711), (99, 194821), (121, 159399), (199, 96921), (267, 72237), (363, 53133), (597, 32307), (801, 24079), (979, 19701), (1089, 17711), (1791, 10769), (2189, 8811), (2937, 6567)]