18060860

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{21001}}^1$

素因数の和:21053

約数の個数: 24

約数和(自身を含む): 38811696

約数和(自身を除く): 20750836

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 860, 21001, 42002, 84004, 105005, 210010, 420020, 903043, 1806086, 3612172, 4515215, 9030430, 18060860]

約数ペア:

[(1, 18060860), (2, 9030430), (4, 4515215), (5, 3612172), (10, 1806086), (20, 903043), (43, 420020), (86, 210010), (172, 105005), (215, 84004), (430, 42002), (860, 21001)]