18326120

素因数分解:

$2^3\times 5^1\times {\mathrm{431}}^1\times {\mathrm{1063}}^1$

素因数の和:1505

約数の個数: 32

約数和(自身を含む): 41368320

約数和(自身を除く): 23042200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 431, 862, 1063, 1724, 2126, 2155, 3448, 4252, 4310, 5315, 8504, 8620, 10630, 17240, 21260, 42520, 458153, 916306, 1832612, 2290765, 3665224, 4581530, 9163060, 18326120]

約数ペア:

[(1, 18326120), (2, 9163060), (4, 4581530), (5, 3665224), (8, 2290765), (10, 1832612), (20, 916306), (40, 458153), (431, 42520), (862, 21260), (1063, 17240), (1724, 10630), (2126, 8620), (2155, 8504), (3448, 5315), (4252, 4310)]