18249543

素因数分解:

$3^5\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{109}}^1$

素因数の和:190

約数の個数: 48

約数和(自身を含む): 30270240

約数和(自身を除く): 12020697

約数列:

[1, 3, 9, 13, 27, 39, 53, 81, 109, 117, 159, 243, 327, 351, 477, 689, 981, 1053, 1417, 1431, 2067, 2943, 3159, 4251, 4293, 5777, 6201, 8829, 12753, 12879, 17331, 18603, 26487, 38259, 51993, 55809, 75101, 114777, 155979, 167427, 225303, 344331, 467937, 675909, 1403811, 2027727, 6083181, 18249543]

約数ペア:

[(1, 18249543), (3, 6083181), (9, 2027727), (13, 1403811), (27, 675909), (39, 467937), (53, 344331), (81, 225303), (109, 167427), (117, 155979), (159, 114777), (243, 75101), (327, 55809), (351, 51993), (477, 38259), (689, 26487), (981, 18603), (1053, 17331), (1417, 12879), (1431, 12753), (2067, 8829), (2943, 6201), (3159, 5777), (4251, 4293)]