19814949

素因数分解:

$3^6\times 7^1\times {\mathrm{11}}^1\times {\mathrm{353}}^1$

素因数の和:389

約数の個数: 56

約数和(自身を含む): 37144512

約数和(自身を除く): 17329563

約数列:

[1, 3, 7, 9, 11, 21, 27, 33, 63, 77, 81, 99, 189, 231, 243, 297, 353, 567, 693, 729, 891, 1059, 1701, 2079, 2471, 2673, 3177, 3883, 5103, 6237, 7413, 8019, 9531, 11649, 18711, 22239, 27181, 28593, 34947, 56133, 66717, 81543, 85779, 104841, 200151, 244629, 257337, 314523, 600453, 733887, 943569, 1801359, 2201661, 2830707, 6604983, 19814949]

約数ペア:

[(1, 19814949), (3, 6604983), (7, 2830707), (9, 2201661), (11, 1801359), (21, 943569), (27, 733887), (33, 600453), (63, 314523), (77, 257337), (81, 244629), (99, 200151), (189, 104841), (231, 85779), (243, 81543), (297, 66717), (353, 56133), (567, 34947), (693, 28593), (729, 27181), (891, 22239), (1059, 18711), (1701, 11649), (2079, 9531), (2471, 8019), (2673, 7413), (3177, 6237), (3883, 5103)]