18938318

素因数分解:

$2^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{163}}^1\times {\mathrm{193}}^1$

素因数の和:408

約数の個数: 32

約数和(自身を含む): 33597696

約数和(自身を除く): 14659378

約数列:

[1, 2, 7, 14, 43, 86, 163, 193, 301, 326, 386, 602, 1141, 1351, 2282, 2702, 7009, 8299, 14018, 16598, 31459, 49063, 58093, 62918, 98126, 116186, 220213, 440426, 1352737, 2705474, 9469159, 18938318]

約数ペア:

[(1, 18938318), (2, 9469159), (7, 2705474), (14, 1352737), (43, 440426), (86, 220213), (163, 116186), (193, 98126), (301, 62918), (326, 58093), (386, 49063), (602, 31459), (1141, 16598), (1351, 14018), (2282, 8299), (2702, 7009)]