18288080

素因数分解:

$2^4\times 5^1\times {\mathrm{228601}}^1$

素因数の和:228614

約数の個数: 20

約数和(自身を含む): 42519972

約数和(自身を除く): 24231892

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 228601, 457202, 914404, 1143005, 1828808, 2286010, 3657616, 4572020, 9144040, 18288080]

約数ペア:

[(1, 18288080), (2, 9144040), (4, 4572020), (5, 3657616), (8, 2286010), (10, 1828808), (16, 1143005), (20, 914404), (40, 457202), (80, 228601)]