18730978

素因数分解:

$2^1\times 7^1\times {\mathrm{271}}^1\times {\mathrm{4937}}^1$

素因数の和:5217

約数の個数: 16

約数和(自身を含む): 32235264

約数和(自身を除く): 13504286

約数列:

[1, 2, 7, 14, 271, 542, 1897, 3794, 4937, 9874, 34559, 69118, 1337927, 2675854, 9365489, 18730978]

約数ペア:

[(1, 18730978), (2, 9365489), (7, 2675854), (14, 1337927), (271, 69118), (542, 34559), (1897, 9874), (3794, 4937)]