19996572

素因数分解:

$2^2\times 3^1\times {\mathrm{661}}^1\times {\mathrm{2521}}^1$

素因数の和:3189

約数の個数: 24

約数和(自身を含む): 46747792

約数和(自身を除く): 26751220

約数列:

[1, 2, 3, 4, 6, 12, 661, 1322, 1983, 2521, 2644, 3966, 5042, 7563, 7932, 10084, 15126, 30252, 1666381, 3332762, 4999143, 6665524, 9998286, 19996572]

約数ペア:

[(1, 19996572), (2, 9998286), (3, 6665524), (4, 4999143), (6, 3332762), (12, 1666381), (661, 30252), (1322, 15126), (1983, 10084), (2521, 7932), (2644, 7563), (3966, 5042)]