18500234

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{199}}^1$

素因数の和:314

約数の個数: 32

約数和(自身を含む): 30412800

約数和(自身を除く): 11912566

約数列:

[1, 2, 23, 43, 46, 47, 86, 94, 199, 398, 989, 1081, 1978, 2021, 2162, 4042, 4577, 8557, 9154, 9353, 17114, 18706, 46483, 92966, 196811, 215119, 393622, 402179, 430238, 804358, 9250117, 18500234]

約数ペア:

[(1, 18500234), (2, 9250117), (23, 804358), (43, 430238), (46, 402179), (47, 393622), (86, 215119), (94, 196811), (199, 92966), (398, 46483), (989, 18706), (1081, 17114), (1978, 9353), (2021, 9154), (2162, 8557), (4042, 4577)]