19729413

素因数分解:

$3^5\times {\mathrm{11}}^3\times {\mathrm{61}}^1$

素因数の和:109

約数の個数: 48

約数和(自身を含む): 33039552

約数和(自身を除く): 13310139

約数列:

[1, 3, 9, 11, 27, 33, 61, 81, 99, 121, 183, 243, 297, 363, 549, 671, 891, 1089, 1331, 1647, 2013, 2673, 3267, 3993, 4941, 6039, 7381, 9801, 11979, 14823, 18117, 22143, 29403, 35937, 54351, 66429, 81191, 107811, 163053, 199287, 243573, 323433, 597861, 730719, 1793583, 2192157, 6576471, 19729413]

約数ペア:

[(1, 19729413), (3, 6576471), (9, 2192157), (11, 1793583), (27, 730719), (33, 597861), (61, 323433), (81, 243573), (99, 199287), (121, 163053), (183, 107811), (243, 81191), (297, 66429), (363, 54351), (549, 35937), (671, 29403), (891, 22143), (1089, 18117), (1331, 14823), (1647, 11979), (2013, 9801), (2673, 7381), (3267, 6039), (3993, 4941)]