19788255179

素因数分解:

$7^1\times {\mathrm{11}}^3\times {\mathrm{83}}^1\times {\mathrm{25589}}^1$

素因数の和:25712

約数の個数: 32

約数和(自身を含む): 25175646720

約数和(自身を除く): 5387391541

約数列:

[1, 7, 11, 77, 83, 121, 581, 847, 913, 1331, 6391, 9317, 10043, 25589, 70301, 110473, 179123, 281479, 773311, 1970353, 2123887, 3096269, 14867209, 21673883, 23362757, 34058959, 163539299, 238412713, 256990327, 1798932289, 2826893597, 19788255179]

約数ペア:

[(1, 19788255179), (7, 2826893597), (11, 1798932289), (77, 256990327), (83, 238412713), (121, 163539299), (581, 34058959), (847, 23362757), (913, 21673883), (1331, 14867209), (6391, 3096269), (9317, 2123887), (10043, 1970353), (25589, 773311), (70301, 281479), (110473, 179123)]