12666704

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{19309}}^1$

素因数の和:19358

約数の個数: 20

約数和(自身を含む): 25141620

約数和(自身を除く): 12474916

約数列:

[1, 2, 4, 8, 16, 41, 82, 164, 328, 656, 19309, 38618, 77236, 154472, 308944, 791669, 1583338, 3166676, 6333352, 12666704]

約数ペア:

[(1, 12666704), (2, 6333352), (4, 3166676), (8, 1583338), (16, 791669), (41, 308944), (82, 154472), (164, 77236), (328, 38618), (656, 19309)]