19817140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{141551}}^1$

素因数の和:141567

約数の個数: 24

約数和(自身を含む): 47561472

約数和(自身を除く): 27744332

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 141551, 283102, 566204, 707755, 990857, 1415510, 1981714, 2831020, 3963428, 4954285, 9908570, 19817140]

約数ペア:

[(1, 19817140), (2, 9908570), (4, 4954285), (5, 3963428), (7, 2831020), (10, 1981714), (14, 1415510), (20, 990857), (28, 707755), (35, 566204), (70, 283102), (140, 141551)]