18338960

素因数分解:

$2^4\times 5^1\times {\mathrm{229237}}^1$

素因数の和:229250

約数の個数: 20

約数和(自身を含む): 42638268

約数和(自身を除く): 24299308

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 229237, 458474, 916948, 1146185, 1833896, 2292370, 3667792, 4584740, 9169480, 18338960]

約数ペア:

[(1, 18338960), (2, 9169480), (4, 4584740), (5, 3667792), (8, 2292370), (10, 1833896), (16, 1146185), (20, 916948), (40, 458474), (80, 229237)]