19399947

素因数分解:

$3^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{8969}}^1$

素因数の和:9082

約数の個数: 16

約数和(自身を含む): 29852160

約数和(自身を除く): 10452213

約数列:

[1, 3, 7, 21, 103, 309, 721, 2163, 8969, 26907, 62783, 188349, 923807, 2771421, 6466649, 19399947]

約数ペア:

[(1, 19399947), (3, 6466649), (7, 2771421), (21, 923807), (103, 188349), (309, 62783), (721, 26907), (2163, 8969)]