19853540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{141811}}^1$

素因数の和:141827

約数の個数: 24

約数和(自身を含む): 47648832

約数和(自身を除く): 27795292

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 141811, 283622, 567244, 709055, 992677, 1418110, 1985354, 2836220, 3970708, 4963385, 9926770, 19853540]

約数ペア:

[(1, 19853540), (2, 9926770), (4, 4963385), (5, 3970708), (7, 2836220), (10, 1985354), (14, 1418110), (20, 992677), (28, 709055), (35, 567244), (70, 283622), (140, 141811)]