19006981756

素因数分解:

$2^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{673}}^1\times {\mathrm{34781}}^1$

素因数の和:35494

約数の個数: 48

約数和(自身を含む): 39384354240

約数和(自身を除く): 20377372484

約数列:

[1, 2, 4, 7, 14, 28, 29, 58, 116, 203, 406, 673, 812, 1346, 2692, 4711, 9422, 18844, 19517, 34781, 39034, 69562, 78068, 136619, 139124, 243467, 273238, 486934, 546476, 973868, 1008649, 2017298, 4034596, 7060543, 14121086, 23407613, 28242172, 46815226, 93630452, 163853291, 327706582, 655413164, 678820777, 1357641554, 2715283108, 4751745439, 9503490878, 19006981756]

約数ペア:

[(1, 19006981756), (2, 9503490878), (4, 4751745439), (7, 2715283108), (14, 1357641554), (28, 678820777), (29, 655413164), (58, 327706582), (116, 163853291), (203, 93630452), (406, 46815226), (673, 28242172), (812, 23407613), (1346, 14121086), (2692, 7060543), (4711, 4034596), (9422, 2017298), (18844, 1008649), (19517, 973868), (34781, 546476), (39034, 486934), (69562, 273238), (78068, 243467), (136619, 139124)]