18401740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{131441}}^1$

素因数の和:131457

約数の個数: 24

約数和(自身を含む): 44164512

約数和(自身を除く): 25762772

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 131441, 262882, 525764, 657205, 920087, 1314410, 1840174, 2628820, 3680348, 4600435, 9200870, 18401740]

約数ペア:

[(1, 18401740), (2, 9200870), (4, 4600435), (5, 3680348), (7, 2628820), (10, 1840174), (14, 1314410), (20, 920087), (28, 657205), (35, 525764), (70, 262882), (140, 131441)]