18688480

素因数分解:

$2^5\times 5^1\times {\mathrm{116803}}^1$

素因数の和:116818

約数の個数: 24

約数和(自身を含む): 44151912

約数和(自身を除く): 25463432

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 116803, 233606, 467212, 584015, 934424, 1168030, 1868848, 2336060, 3737696, 4672120, 9344240, 18688480]

約数ペア:

[(1, 18688480), (2, 9344240), (4, 4672120), (5, 3737696), (8, 2336060), (10, 1868848), (16, 1168030), (20, 934424), (32, 584015), (40, 467212), (80, 233606), (160, 116803)]