19851588

素因数分解:

$2^2\times 3^3\times {\mathrm{397}}^1\times {\mathrm{463}}^1$

素因数の和:873

約数の個数: 48

約数和(自身を含む): 51708160

約数和(自身を除く): 31856572

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 108, 397, 463, 794, 926, 1191, 1389, 1588, 1852, 2382, 2778, 3573, 4167, 4764, 5556, 7146, 8334, 10719, 12501, 14292, 16668, 21438, 25002, 42876, 50004, 183811, 367622, 551433, 735244, 1102866, 1654299, 2205732, 3308598, 4962897, 6617196, 9925794, 19851588]

約数ペア:

[(1, 19851588), (2, 9925794), (3, 6617196), (4, 4962897), (6, 3308598), (9, 2205732), (12, 1654299), (18, 1102866), (27, 735244), (36, 551433), (54, 367622), (108, 183811), (397, 50004), (463, 42876), (794, 25002), (926, 21438), (1191, 16668), (1389, 14292), (1588, 12501), (1852, 10719), (2382, 8334), (2778, 7146), (3573, 5556), (4167, 4764)]