19693557

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{2953}}^1$

素因数の和:2994

約数の個数: 32

約数和(自身を含む): 33084800

約数和(自身を除く): 13391243

約数列:

[1, 3, 9, 13, 19, 27, 39, 57, 117, 171, 247, 351, 513, 741, 2223, 2953, 6669, 8859, 26577, 38389, 56107, 79731, 115167, 168321, 345501, 504963, 729391, 1036503, 1514889, 2188173, 6564519, 19693557]

約数ペア:

[(1, 19693557), (3, 6564519), (9, 2188173), (13, 1514889), (19, 1036503), (27, 729391), (39, 504963), (57, 345501), (117, 168321), (171, 115167), (247, 79731), (351, 56107), (513, 38389), (741, 26577), (2223, 8859), (2953, 6669)]