1988912

素因数分解:

$2^4\times {\mathrm{197}}^1\times {\mathrm{631}}^1$

素因数の和:836

約数の個数: 20

約数和(自身を含む): 3879216

約数和(自身を除く): 1890304

約数列:

[1, 2, 4, 8, 16, 197, 394, 631, 788, 1262, 1576, 2524, 3152, 5048, 10096, 124307, 248614, 497228, 994456, 1988912]

約数ペア:

[(1, 1988912), (2, 994456), (4, 497228), (8, 248614), (16, 124307), (197, 10096), (394, 5048), (631, 3152), (788, 2524), (1262, 1576)]