2019908848

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{141371}}^1$

素因数の和:141445

約数の個数: 40

約数和(自身を含む): 4207230720

約数和(自身を除く): 2187321872

約数列:

[1, 2, 4, 8, 16, 19, 38, 47, 76, 94, 152, 188, 304, 376, 752, 893, 1786, 3572, 7144, 14288, 141371, 282742, 565484, 1130968, 2261936, 2686049, 5372098, 6644437, 10744196, 13288874, 21488392, 26577748, 42976784, 53155496, 106310992, 126244303, 252488606, 504977212, 1009954424, 2019908848]

約数ペア:

[(1, 2019908848), (2, 1009954424), (4, 504977212), (8, 252488606), (16, 126244303), (19, 106310992), (38, 53155496), (47, 42976784), (76, 26577748), (94, 21488392), (152, 13288874), (188, 10744196), (304, 6644437), (376, 5372098), (752, 2686049), (893, 2261936), (1786, 1130968), (3572, 565484), (7144, 282742), (14288, 141371)]