19931293347

素因数分解:

$3^1\times 7^1\times {\mathrm{97}}^1\times {\mathrm{199}}^1\times {\mathrm{49169}}^1$

素因数の和:49475

約数の個数: 32

約数和(自身を含む): 30839424000

約数和(自身を除く): 10908130653

約数列:

[1, 3, 7, 21, 97, 199, 291, 597, 679, 1393, 2037, 4179, 19303, 49169, 57909, 135121, 147507, 344183, 405363, 1032549, 4769393, 9784631, 14308179, 29353893, 33385751, 68492417, 100157253, 205477251, 949109207, 2847327621, 6643764449, 19931293347]

約数ペア:

[(1, 19931293347), (3, 6643764449), (7, 2847327621), (21, 949109207), (97, 205477251), (199, 100157253), (291, 68492417), (597, 33385751), (679, 29353893), (1393, 14308179), (2037, 9784631), (4179, 4769393), (19303, 1032549), (49169, 405363), (57909, 344183), (135121, 147507)]