18317950

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{199}}^1\times {\mathrm{263}}^1$

素因数の和:481

約数の個数: 48

約数和(自身を含む): 39283200

約数和(自身を除く): 20965250

約数列:

[1, 2, 5, 7, 10, 14, 25, 35, 50, 70, 175, 199, 263, 350, 398, 526, 995, 1315, 1393, 1841, 1990, 2630, 2786, 3682, 4975, 6575, 6965, 9205, 9950, 13150, 13930, 18410, 34825, 46025, 52337, 69650, 92050, 104674, 261685, 366359, 523370, 732718, 1308425, 1831795, 2616850, 3663590, 9158975, 18317950]

約数ペア:

[(1, 18317950), (2, 9158975), (5, 3663590), (7, 2616850), (10, 1831795), (14, 1308425), (25, 732718), (35, 523370), (50, 366359), (70, 261685), (175, 104674), (199, 92050), (263, 69650), (350, 52337), (398, 46025), (526, 34825), (995, 18410), (1315, 13930), (1393, 13150), (1841, 9950), (1990, 9205), (2630, 6965), (2786, 6575), (3682, 4975)]