12987666

素因数分解:

$2^1\times 3^2\times {\mathrm{37}}^1\times {\mathrm{19501}}^1$

素因数の和:19546

約数の個数: 24

約数和(自身を含む): 28901964

約数和(自身を除く): 15914298

約数列:

[1, 2, 3, 6, 9, 18, 37, 74, 111, 222, 333, 666, 19501, 39002, 58503, 117006, 175509, 351018, 721537, 1443074, 2164611, 4329222, 6493833, 12987666]

約数ペア:

[(1, 12987666), (2, 6493833), (3, 4329222), (6, 2164611), (9, 1443074), (18, 721537), (37, 351018), (74, 175509), (111, 117006), (222, 58503), (333, 39002), (666, 19501)]