18838278

素因数分解:

$2^1\times 3^3\times {\mathrm{17}}^1\times {\mathrm{20521}}^1$

素因数の和:20549

約数の個数: 32

約数和(自身を含む): 44327520

約数和(自身を除く): 25489242

約数列:

[1, 2, 3, 6, 9, 17, 18, 27, 34, 51, 54, 102, 153, 306, 459, 918, 20521, 41042, 61563, 123126, 184689, 348857, 369378, 554067, 697714, 1046571, 1108134, 2093142, 3139713, 6279426, 9419139, 18838278]

約数ペア:

[(1, 18838278), (2, 9419139), (3, 6279426), (6, 3139713), (9, 2093142), (17, 1108134), (18, 1046571), (27, 697714), (34, 554067), (51, 369378), (54, 348857), (102, 184689), (153, 123126), (306, 61563), (459, 41042), (918, 20521)]