19900806

素因数分解:

$2^1\times 3^1\times {\mathrm{359}}^1\times {\mathrm{9239}}^1$

素因数の和:9603

約数の個数: 16

約数和(自身を含む): 39916800

約数和(自身を除く): 20015994

約数列:

[1, 2, 3, 6, 359, 718, 1077, 2154, 9239, 18478, 27717, 55434, 3316801, 6633602, 9950403, 19900806]

約数ペア:

[(1, 19900806), (2, 9950403), (3, 6633602), (6, 3316801), (359, 55434), (718, 27717), (1077, 18478), (2154, 9239)]