19765210

素因数分解:

$2^1\times 5^1\times {\mathrm{1291}}^1\times {\mathrm{1531}}^1$

素因数の和:2829

約数の個数: 16

約数和(自身を含む): 35628192

約数和(自身を除く): 15862982

約数列:

[1, 2, 5, 10, 1291, 1531, 2582, 3062, 6455, 7655, 12910, 15310, 1976521, 3953042, 9882605, 19765210]

約数ペア:

[(1, 19765210), (2, 9882605), (5, 3953042), (10, 1976521), (1291, 15310), (1531, 12910), (2582, 7655), (3062, 6455)]