18567496

素因数分解:

$2^3\times {\mathrm{107}}^1\times {\mathrm{109}}^1\times {\mathrm{199}}^1$

素因数の和:421

約数の個数: 32

約数和(自身を含む): 35640000

約数和(自身を除く): 17072504

約数列:

[1, 2, 4, 8, 107, 109, 199, 214, 218, 398, 428, 436, 796, 856, 872, 1592, 11663, 21293, 21691, 23326, 42586, 43382, 46652, 85172, 86764, 93304, 170344, 173528, 2320937, 4641874, 9283748, 18567496]

約数ペア:

[(1, 18567496), (2, 9283748), (4, 4641874), (8, 2320937), (107, 173528), (109, 170344), (199, 93304), (214, 86764), (218, 85172), (398, 46652), (428, 43382), (436, 42586), (796, 23326), (856, 21691), (872, 21293), (1592, 11663)]