17958556

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{199}}^1\times {\mathrm{293}}^1$

素因数の和:514

約数の個数: 48

約数和(自身を含む): 39513600

約数和(自身を除く): 21555044

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 154, 199, 293, 308, 398, 586, 796, 1172, 1393, 2051, 2189, 2786, 3223, 4102, 4378, 5572, 6446, 8204, 8756, 12892, 15323, 22561, 30646, 45122, 58307, 61292, 90244, 116614, 233228, 408149, 641377, 816298, 1282754, 1632596, 2565508, 4489639, 8979278, 17958556]

約数ペア:

[(1, 17958556), (2, 8979278), (4, 4489639), (7, 2565508), (11, 1632596), (14, 1282754), (22, 816298), (28, 641377), (44, 408149), (77, 233228), (154, 116614), (199, 90244), (293, 61292), (308, 58307), (398, 45122), (586, 30646), (796, 22561), (1172, 15323), (1393, 12892), (2051, 8756), (2189, 8204), (2786, 6446), (3223, 5572), (4102, 4378)]