18328212

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{257}}^1\times {\mathrm{283}}^1$

素因数の和:557

約数の個数: 72

約数和(自身を含む): 53342016

約数和(自身を除く): 35013804

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 257, 283, 514, 566, 771, 849, 1028, 1132, 1542, 1698, 1799, 1981, 2313, 2547, 3084, 3396, 3598, 3962, 4626, 5094, 5397, 5943, 7196, 7924, 9252, 10188, 10794, 11886, 16191, 17829, 21588, 23772, 32382, 35658, 64764, 71316, 72731, 145462, 218193, 290924, 436386, 509117, 654579, 872772, 1018234, 1309158, 1527351, 2036468, 2618316, 3054702, 4582053, 6109404, 9164106, 18328212]

約数ペア:

[(1, 18328212), (2, 9164106), (3, 6109404), (4, 4582053), (6, 3054702), (7, 2618316), (9, 2036468), (12, 1527351), (14, 1309158), (18, 1018234), (21, 872772), (28, 654579), (36, 509117), (42, 436386), (63, 290924), (84, 218193), (126, 145462), (252, 72731), (257, 71316), (283, 64764), (514, 35658), (566, 32382), (771, 23772), (849, 21588), (1028, 17829), (1132, 16191), (1542, 11886), (1698, 10794), (1799, 10188), (1981, 9252), (2313, 7924), (2547, 7196), (3084, 5943), (3396, 5397), (3598, 5094), (3962, 4626)]