18742616

素因数分解:

$2^3\times {\mathrm{61}}^1\times {\mathrm{193}}^1\times {\mathrm{199}}^1$

素因数の和:459

約数の個数: 32

約数和(自身を含む): 36084000

約数和(自身を除く): 17341384

約数列:

[1, 2, 4, 8, 61, 122, 193, 199, 244, 386, 398, 488, 772, 796, 1544, 1592, 11773, 12139, 23546, 24278, 38407, 47092, 48556, 76814, 94184, 97112, 153628, 307256, 2342827, 4685654, 9371308, 18742616]

約数ペア:

[(1, 18742616), (2, 9371308), (4, 4685654), (8, 2342827), (61, 307256), (122, 153628), (193, 97112), (199, 94184), (244, 76814), (386, 48556), (398, 47092), (488, 38407), (772, 24278), (796, 23546), (1544, 12139), (1592, 11773)]