19806790

素因数分解:

$2^1\times 5^1\times {\mathrm{1231}}^1\times {\mathrm{1609}}^1$

素因数の和:2847

約数の個数: 16

約数和(自身を含む): 35703360

約数和(自身を除く): 15896570

約数列:

[1, 2, 5, 10, 1231, 1609, 2462, 3218, 6155, 8045, 12310, 16090, 1980679, 3961358, 9903395, 19806790]

約数ペア:

[(1, 19806790), (2, 9903395), (5, 3961358), (10, 1980679), (1231, 16090), (1609, 12310), (2462, 8045), (3218, 6155)]