19934667

素因数分解:

$3^4\times {\mathrm{19}}^1\times {\mathrm{12953}}^1$

素因数の和:12984

約数の個数: 20

約数和(自身を含む): 31348680

約数和(自身を除く): 11414013

約数列:

[1, 3, 9, 19, 27, 57, 81, 171, 513, 1539, 12953, 38859, 116577, 246107, 349731, 738321, 1049193, 2214963, 6644889, 19934667]

約数ペア:

[(1, 19934667), (3, 6644889), (9, 2214963), (19, 1049193), (27, 738321), (57, 349731), (81, 246107), (171, 116577), (513, 38859), (1539, 12953)]