18223443

素因数分解:

$3^2\times 7^2\times {\mathrm{31}}^2\times {\mathrm{43}}^1$

素因数の和:125

約数の個数: 54

約数和(自身を含む): 32375772

約数和(自身を除く): 14152329

約数列:

[1, 3, 7, 9, 21, 31, 43, 49, 63, 93, 129, 147, 217, 279, 301, 387, 441, 651, 903, 961, 1333, 1519, 1953, 2107, 2709, 2883, 3999, 4557, 6321, 6727, 8649, 9331, 11997, 13671, 18963, 20181, 27993, 41323, 47089, 60543, 65317, 83979, 123969, 141267, 195951, 289261, 371907, 423801, 587853, 867783, 2024827, 2603349, 6074481, 18223443]

約数ペア:

[(1, 18223443), (3, 6074481), (7, 2603349), (9, 2024827), (21, 867783), (31, 587853), (43, 423801), (49, 371907), (63, 289261), (93, 195951), (129, 141267), (147, 123969), (217, 83979), (279, 65317), (301, 60543), (387, 47089), (441, 41323), (651, 27993), (903, 20181), (961, 18963), (1333, 13671), (1519, 11997), (1953, 9331), (2107, 8649), (2709, 6727), (2883, 6321), (3999, 4557)]