19192719

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{229}}^1\times {\mathrm{307}}^1$

素因数の和:559

約数の個数: 32

約数和(自身を含む): 31736320

約数和(自身を除く): 12543601

約数列:

[1, 3, 7, 13, 21, 39, 91, 229, 273, 307, 687, 921, 1603, 2149, 2977, 3991, 4809, 6447, 8931, 11973, 20839, 27937, 62517, 70303, 83811, 210909, 492121, 913939, 1476363, 2741817, 6397573, 19192719]

約数ペア:

[(1, 19192719), (3, 6397573), (7, 2741817), (13, 1476363), (21, 913939), (39, 492121), (91, 210909), (229, 83811), (273, 70303), (307, 62517), (687, 27937), (921, 20839), (1603, 11973), (2149, 8931), (2977, 6447), (3991, 4809)]