15963800

素因数分解:

$2^3\times 5^2\times {\mathrm{19}}^1\times {\mathrm{4201}}^1$

素因数の和:4236

約数の個数: 48

約数和(自身を含む): 39078600

約数和(自身を除く): 23114800

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 25, 38, 40, 50, 76, 95, 100, 152, 190, 200, 380, 475, 760, 950, 1900, 3800, 4201, 8402, 16804, 21005, 33608, 42010, 79819, 84020, 105025, 159638, 168040, 210050, 319276, 399095, 420100, 638552, 798190, 840200, 1596380, 1995475, 3192760, 3990950, 7981900, 15963800]

約数ペア:

[(1, 15963800), (2, 7981900), (4, 3990950), (5, 3192760), (8, 1995475), (10, 1596380), (19, 840200), (20, 798190), (25, 638552), (38, 420100), (40, 399095), (50, 319276), (76, 210050), (95, 168040), (100, 159638), (152, 105025), (190, 84020), (200, 79819), (380, 42010), (475, 33608), (760, 21005), (950, 16804), (1900, 8402), (3800, 4201)]