18348080

素因数分解:

$2^4\times 5^1\times {\mathrm{229351}}^1$

素因数の和:229364

約数の個数: 20

約数和(自身を含む): 42659472

約数和(自身を除く): 24311392

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 229351, 458702, 917404, 1146755, 1834808, 2293510, 3669616, 4587020, 9174040, 18348080]

約数ペア:

[(1, 18348080), (2, 9174040), (4, 4587020), (5, 3669616), (8, 2293510), (10, 1834808), (16, 1146755), (20, 917404), (40, 458702), (80, 229351)]