19991006

素因数分解:

$2^1\times 7^1\times {\mathrm{647}}^1\times {\mathrm{2207}}^1$

素因数の和:2863

約数の個数: 16

約数和(自身を含む): 34338816

約数和(自身を除く): 14347810

約数列:

[1, 2, 7, 14, 647, 1294, 2207, 4414, 4529, 9058, 15449, 30898, 1427929, 2855858, 9995503, 19991006]

約数ペア:

[(1, 19991006), (2, 9995503), (7, 2855858), (14, 1427929), (647, 30898), (1294, 15449), (2207, 9058), (4414, 4529)]