17968668

素因数分解:

$2^2\times 3^1\times {\mathrm{43}}^1\times {\mathrm{97}}^1\times {\mathrm{359}}^1$

素因数の和:506

約数の個数: 48

約数和(自身を含む): 43464960

約数和(自身を除く): 25496292

約数列:

[1, 2, 3, 4, 6, 12, 43, 86, 97, 129, 172, 194, 258, 291, 359, 388, 516, 582, 718, 1077, 1164, 1436, 2154, 4171, 4308, 8342, 12513, 15437, 16684, 25026, 30874, 34823, 46311, 50052, 61748, 69646, 92622, 104469, 139292, 185244, 208938, 417876, 1497389, 2994778, 4492167, 5989556, 8984334, 17968668]

約数ペア:

[(1, 17968668), (2, 8984334), (3, 5989556), (4, 4492167), (6, 2994778), (12, 1497389), (43, 417876), (86, 208938), (97, 185244), (129, 139292), (172, 104469), (194, 92622), (258, 69646), (291, 61748), (359, 50052), (388, 46311), (516, 34823), (582, 30874), (718, 25026), (1077, 16684), (1164, 15437), (1436, 12513), (2154, 8342), (4171, 4308)]