19402899

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{137}}^1\times {\mathrm{2777}}^1$

素因数の和:2934

約数の個数: 16

約数和(自身を含む): 27602208

約数和(自身を除く): 8199309

約数列:

[1, 3, 17, 51, 137, 411, 2329, 2777, 6987, 8331, 47209, 141627, 380449, 1141347, 6467633, 19402899]

約数ペア:

[(1, 19402899), (3, 6467633), (17, 1141347), (51, 380449), (137, 141627), (411, 47209), (2329, 8331), (2777, 6987)]