18000540

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{100003}}^1$

素因数の和:100018

約数の個数: 36

約数和(自身を含む): 54602184

約数和(自身を除く): 36601644

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 100003, 200006, 300009, 400012, 500015, 600018, 900027, 1000030, 1200036, 1500045, 1800054, 2000060, 3000090, 3600108, 4500135, 6000180, 9000270, 18000540]

約数ペア:

[(1, 18000540), (2, 9000270), (3, 6000180), (4, 4500135), (5, 3600108), (6, 3000090), (9, 2000060), (10, 1800054), (12, 1500045), (15, 1200036), (18, 1000030), (20, 900027), (30, 600018), (36, 500015), (45, 400012), (60, 300009), (90, 200006), (180, 100003)]