18502556

素因数分解:

$2^2\times {\mathrm{43}}^1\times {\mathrm{97}}^1\times {\mathrm{1109}}^1$

素因数の和:1253

約数の個数: 24

約数和(自身を含む): 33504240

約数和(自身を除く): 15001684

約数列:

[1, 2, 4, 43, 86, 97, 172, 194, 388, 1109, 2218, 4171, 4436, 8342, 16684, 47687, 95374, 107573, 190748, 215146, 430292, 4625639, 9251278, 18502556]

約数ペア:

[(1, 18502556), (2, 9251278), (4, 4625639), (43, 430292), (86, 215146), (97, 190748), (172, 107573), (194, 95374), (388, 47687), (1109, 16684), (2218, 8342), (4171, 4436)]