19716298

素因数分解:

$2^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{23087}}^1$

素因数の和:23157

約数の個数: 16

約数和(自身を含む): 34354944

約数和(自身を除く): 14638646

約数列:

[1, 2, 7, 14, 61, 122, 427, 854, 23087, 46174, 161609, 323218, 1408307, 2816614, 9858149, 19716298]

約数ペア:

[(1, 19716298), (2, 9858149), (7, 2816614), (14, 1408307), (61, 323218), (122, 161609), (427, 46174), (854, 23087)]