19705716

素因数分解:

$2^2\times 3^2\times {\mathrm{307}}^1\times {\mathrm{1783}}^1$

素因数の和:2100

約数の個数: 36

約数和(自身を含む): 50001952

約数和(自身を除く): 30296236

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 307, 614, 921, 1228, 1783, 1842, 2763, 3566, 3684, 5349, 5526, 7132, 10698, 11052, 16047, 21396, 32094, 64188, 547381, 1094762, 1642143, 2189524, 3284286, 4926429, 6568572, 9852858, 19705716]

約数ペア:

[(1, 19705716), (2, 9852858), (3, 6568572), (4, 4926429), (6, 3284286), (9, 2189524), (12, 1642143), (18, 1094762), (36, 547381), (307, 64188), (614, 32094), (921, 21396), (1228, 16047), (1783, 11052), (1842, 10698), (2763, 7132), (3566, 5526), (3684, 5349)]