19837580

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{141697}}^1$

素因数の和:141713

約数の個数: 24

約数和(自身を含む): 47610528

約数和(自身を除く): 27772948

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 141697, 283394, 566788, 708485, 991879, 1416970, 1983758, 2833940, 3967516, 4959395, 9918790, 19837580]

約数ペア:

[(1, 19837580), (2, 9918790), (4, 4959395), (5, 3967516), (7, 2833940), (10, 1983758), (14, 1416970), (20, 991879), (28, 708485), (35, 566788), (70, 283394), (140, 141697)]