19243749

素因数分解:

$3^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{12553}}^1$

素因数の和:12636

約数の個数: 16

約数和(自身を含む): 29727872

約数和(自身を除く): 10484123

約数列:

[1, 3, 7, 21, 73, 219, 511, 1533, 12553, 37659, 87871, 263613, 916369, 2749107, 6414583, 19243749]

約数ペア:

[(1, 19243749), (3, 6414583), (7, 2749107), (21, 916369), (73, 263613), (219, 87871), (511, 37659), (1533, 12553)]