19344400

素因数分解:

$2^4\times 5^2\times {\mathrm{137}}^1\times {\mathrm{353}}^1$

素因数の和:508

約数の個数: 60

約数和(自身を含む): 46946772

約数和(自身を除く): 27602372

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 137, 200, 274, 353, 400, 548, 685, 706, 1096, 1370, 1412, 1765, 2192, 2740, 2824, 3425, 3530, 5480, 5648, 6850, 7060, 8825, 10960, 13700, 14120, 17650, 27400, 28240, 35300, 48361, 54800, 70600, 96722, 141200, 193444, 241805, 386888, 483610, 773776, 967220, 1209025, 1934440, 2418050, 3868880, 4836100, 9672200, 19344400]

約数ペア:

[(1, 19344400), (2, 9672200), (4, 4836100), (5, 3868880), (8, 2418050), (10, 1934440), (16, 1209025), (20, 967220), (25, 773776), (40, 483610), (50, 386888), (80, 241805), (100, 193444), (137, 141200), (200, 96722), (274, 70600), (353, 54800), (400, 48361), (548, 35300), (685, 28240), (706, 27400), (1096, 17650), (1370, 14120), (1412, 13700), (1765, 10960), (2192, 8825), (2740, 7060), (2824, 6850), (3425, 5648), (3530, 5480)]