18387990

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{204311}}^1$

素因数の和:204324

約数の個数: 24

約数和(自身を含む): 47809008

約数和(自身を除く): 29421018

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 204311, 408622, 612933, 1021555, 1225866, 1838799, 2043110, 3064665, 3677598, 6129330, 9193995, 18387990]

約数ペア:

[(1, 18387990), (2, 9193995), (3, 6129330), (5, 3677598), (6, 3064665), (9, 2043110), (10, 1838799), (15, 1225866), (18, 1021555), (30, 612933), (45, 408622), (90, 204311)]