19890340270

素因数分解:

$2^1\times 5^1\times {\mathrm{2803}}^1\times {\mathrm{709609}}^1$

素因数の和:712419

約数の個数: 16

約数和(自身を含む): 35815435920

約数和(自身を除く): 15925095650

約数列:

[1, 2, 5, 10, 2803, 5606, 14015, 28030, 709609, 1419218, 3548045, 7096090, 1989034027, 3978068054, 9945170135, 19890340270]

約数ペア:

[(1, 19890340270), (2, 9945170135), (5, 3978068054), (10, 1989034027), (2803, 7096090), (5606, 3548045), (14015, 1419218), (28030, 709609)]