18520880

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{33073}}^1$

素因数の和:33093

約数の個数: 40

約数和(自身を含む): 49214112

約数和(自身を除く): 30693232

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 33073, 66146, 132292, 165365, 231511, 264584, 330730, 463022, 529168, 661460, 926044, 1157555, 1322920, 1852088, 2315110, 2645840, 3704176, 4630220, 9260440, 18520880]

約数ペア:

[(1, 18520880), (2, 9260440), (4, 4630220), (5, 3704176), (7, 2645840), (8, 2315110), (10, 1852088), (14, 1322920), (16, 1157555), (20, 926044), (28, 661460), (35, 529168), (40, 463022), (56, 330730), (70, 264584), (80, 231511), (112, 165365), (140, 132292), (280, 66146), (560, 33073)]