18031006

素因数分解:

$2^1\times 7^1\times {\mathrm{643}}^1\times {\mathrm{2003}}^1$

素因数の和:2655

約数の個数: 16

約数和(自身を含む): 30973824

約数和(自身を除く): 12942818

約数列:

[1, 2, 7, 14, 643, 1286, 2003, 4006, 4501, 9002, 14021, 28042, 1287929, 2575858, 9015503, 18031006]

約数ペア:

[(1, 18031006), (2, 9015503), (7, 2575858), (14, 1287929), (643, 28042), (1286, 14021), (2003, 9002), (4006, 4501)]