19626981

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{1361}}^1$

素因数の和:1417

約数の個数: 32

約数和(自身を含む): 31380480

約数和(自身を除く): 11753499

約数列:

[1, 3, 11, 19, 23, 33, 57, 69, 209, 253, 437, 627, 759, 1311, 1361, 4083, 4807, 14421, 14971, 25859, 31303, 44913, 77577, 93909, 284449, 344333, 594757, 853347, 1032999, 1784271, 6542327, 19626981]

約数ペア:

[(1, 19626981), (3, 6542327), (11, 1784271), (19, 1032999), (23, 853347), (33, 594757), (57, 344333), (69, 284449), (209, 93909), (253, 77577), (437, 44913), (627, 31303), (759, 25859), (1311, 14971), (1361, 14421), (4083, 4807)]