18418460

素因数分解:

$2^2\times 5^1\times {\mathrm{103}}^1\times {\mathrm{8941}}^1$

素因数の和:9053

約数の個数: 24

約数和(自身を含む): 39058656

約数和(自身を除く): 20640196

約数列:

[1, 2, 4, 5, 10, 20, 103, 206, 412, 515, 1030, 2060, 8941, 17882, 35764, 44705, 89410, 178820, 920923, 1841846, 3683692, 4604615, 9209230, 18418460]

約数ペア:

[(1, 18418460), (2, 9209230), (4, 4604615), (5, 3683692), (10, 1841846), (20, 920923), (103, 178820), (206, 89410), (412, 44705), (515, 35764), (1030, 17882), (2060, 8941)]