19748200

素因数分解:

$2^3\times 5^2\times {\mathrm{293}}^1\times {\mathrm{337}}^1$

素因数の和:646

約数の個数: 48

約数和(自身を含む): 46207980

約数和(自身を除く): 26459780

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 200, 293, 337, 586, 674, 1172, 1348, 1465, 1685, 2344, 2696, 2930, 3370, 5860, 6740, 7325, 8425, 11720, 13480, 14650, 16850, 29300, 33700, 58600, 67400, 98741, 197482, 394964, 493705, 789928, 987410, 1974820, 2468525, 3949640, 4937050, 9874100, 19748200]

約数ペア:

[(1, 19748200), (2, 9874100), (4, 4937050), (5, 3949640), (8, 2468525), (10, 1974820), (20, 987410), (25, 789928), (40, 493705), (50, 394964), (100, 197482), (200, 98741), (293, 67400), (337, 58600), (586, 33700), (674, 29300), (1172, 16850), (1348, 14650), (1465, 13480), (1685, 11720), (2344, 8425), (2696, 7325), (2930, 6740), (3370, 5860)]