1999809818

素因数分解:

$2^1\times {\mathrm{37}}^1\times {\mathrm{127}}^1\times {\mathrm{212791}}^1$

素因数の和:212957

約数の個数: 16

約数和(自身を含む): 3105060864

約数和(自身を除く): 1105251046

約数列:

[1, 2, 37, 74, 127, 254, 4699, 9398, 212791, 425582, 7873267, 15746534, 27024457, 54048914, 999904909, 1999809818]

約数ペア:

[(1, 1999809818), (2, 999904909), (37, 54048914), (74, 27024457), (127, 15746534), (254, 7873267), (4699, 425582), (9398, 212791)]