19006421907

素因数分解:

$3^1\times {\mathrm{11}}^2\times {\mathrm{61}}^1\times {\mathrm{809}}^1\times {\mathrm{1061}}^1$

素因数の和:1956

約数の個数: 48

約数和(自身を含む): 28373496480

約数和(自身を除く): 9367074573

約数列:

[1, 3, 11, 33, 61, 121, 183, 363, 671, 809, 1061, 2013, 2427, 3183, 7381, 8899, 11671, 22143, 26697, 35013, 49349, 64721, 97889, 128381, 148047, 194163, 293667, 385143, 542839, 711931, 858349, 1628517, 2135793, 2575047, 5971229, 7831241, 9441839, 17913687, 23493723, 28325517, 52359289, 103860229, 157077867, 311580687, 575952179, 1727856537, 6335473969, 19006421907]

約数ペア:

[(1, 19006421907), (3, 6335473969), (11, 1727856537), (33, 575952179), (61, 311580687), (121, 157077867), (183, 103860229), (363, 52359289), (671, 28325517), (809, 23493723), (1061, 17913687), (2013, 9441839), (2427, 7831241), (3183, 5971229), (7381, 2575047), (8899, 2135793), (11671, 1628517), (22143, 858349), (26697, 711931), (35013, 542839), (49349, 385143), (64721, 293667), (97889, 194163), (128381, 148047)]