19397091

素因数分解:

$3^1\times 7^2\times {\mathrm{127}}^1\times {\mathrm{1039}}^1$

素因数の和:1183

約数の個数: 24

約数和(自身を含む): 30351360

約数和(自身を除く): 10954269

約数列:

[1, 3, 7, 21, 49, 127, 147, 381, 889, 1039, 2667, 3117, 6223, 7273, 18669, 21819, 50911, 131953, 152733, 395859, 923671, 2771013, 6465697, 19397091]

約数ペア:

[(1, 19397091), (3, 6465697), (7, 2771013), (21, 923671), (49, 395859), (127, 152733), (147, 131953), (381, 50911), (889, 21819), (1039, 18669), (2667, 7273), (3117, 6223)]