1999853151

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{971}}^1\times {\mathrm{1571}}^1$

素因数の和:2587

約数の個数: 32

約数和(自身を含む): 2933729280

約数和(自身を除く): 933876129

約数列:

[1, 3, 19, 23, 57, 69, 437, 971, 1311, 1571, 2913, 4713, 18449, 22333, 29849, 36133, 55347, 66999, 89547, 108399, 424327, 686527, 1272981, 1525441, 2059581, 4576323, 28983379, 35085143, 86950137, 105255429, 666617717, 1999853151]

約数ペア:

[(1, 1999853151), (3, 666617717), (19, 105255429), (23, 86950137), (57, 35085143), (69, 28983379), (437, 4576323), (971, 2059581), (1311, 1525441), (1571, 1272981), (2913, 686527), (4713, 424327), (18449, 108399), (22333, 89547), (29849, 66999), (36133, 55347)]