18420540

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{307009}}^1$

素因数の和:307021

約数の個数: 24

約数和(自身を含む): 51577680

約数和(自身を除く): 33157140

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 307009, 614018, 921027, 1228036, 1535045, 1842054, 3070090, 3684108, 4605135, 6140180, 9210270, 18420540]

約数ペア:

[(1, 18420540), (2, 9210270), (3, 6140180), (4, 4605135), (5, 3684108), (6, 3070090), (10, 1842054), (12, 1535045), (15, 1228036), (20, 921027), (30, 614018), (60, 307009)]