19009035332

素因数分解:

$2^2\times 7^1\times {\mathrm{53}}^1\times {\mathrm{71}}^1\times {\mathrm{180413}}^1$

素因数の和:180548

約数の個数: 48

約数和(自身を含む): 39281179392

約数和(自身を除く): 20272144060

約数列:

[1, 2, 4, 7, 14, 28, 53, 71, 106, 142, 212, 284, 371, 497, 742, 994, 1484, 1988, 3763, 7526, 15052, 26341, 52682, 105364, 180413, 360826, 721652, 1262891, 2525782, 5051564, 9561889, 12809323, 19123778, 25618646, 38247556, 51237292, 66933223, 89665261, 133866446, 179330522, 267732892, 358661044, 678894119, 1357788238, 2715576476, 4752258833, 9504517666, 19009035332]

約数ペア:

[(1, 19009035332), (2, 9504517666), (4, 4752258833), (7, 2715576476), (14, 1357788238), (28, 678894119), (53, 358661044), (71, 267732892), (106, 179330522), (142, 133866446), (212, 89665261), (284, 66933223), (371, 51237292), (497, 38247556), (742, 25618646), (994, 19123778), (1484, 12809323), (1988, 9561889), (3763, 5051564), (7526, 2525782), (15052, 1262891), (26341, 721652), (52682, 360826), (105364, 180413)]