18113440

素因数分解:

$2^5\times 5^1\times {\mathrm{113209}}^1$

素因数の和:113224

約数の個数: 24

約数和(自身を含む): 42793380

約数和(自身を除く): 24679940

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 113209, 226418, 452836, 566045, 905672, 1132090, 1811344, 2264180, 3622688, 4528360, 9056720, 18113440]

約数ペア:

[(1, 18113440), (2, 9056720), (4, 4528360), (5, 3622688), (8, 2264180), (10, 1811344), (16, 1132090), (20, 905672), (32, 566045), (40, 452836), (80, 226418), (160, 113209)]