18808286

素因数分解:

$2^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{157}}^1\times {\mathrm{199}}^1$

素因数の和:408

約数の個数: 32

約数和(自身を含む): 33369600

約数和(自身を除く): 14561314

約数列:

[1, 2, 7, 14, 43, 86, 157, 199, 301, 314, 398, 602, 1099, 1393, 2198, 2786, 6751, 8557, 13502, 17114, 31243, 47257, 59899, 62486, 94514, 119798, 218701, 437402, 1343449, 2686898, 9404143, 18808286]

約数ペア:

[(1, 18808286), (2, 9404143), (7, 2686898), (14, 1343449), (43, 437402), (86, 218701), (157, 119798), (199, 94514), (301, 62486), (314, 59899), (398, 47257), (602, 31243), (1099, 17114), (1393, 13502), (2198, 8557), (2786, 6751)]