19909329

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{1543}}^1$

素因数の和:1597

約数の個数: 32

約数和(自身を含む): 32016384

約数和(自身を除く): 12107055

約数列:

[1, 3, 11, 17, 23, 33, 51, 69, 187, 253, 391, 561, 759, 1173, 1543, 4301, 4629, 12903, 16973, 26231, 35489, 50919, 78693, 106467, 288541, 390379, 603313, 865623, 1171137, 1809939, 6636443, 19909329]

約数ペア:

[(1, 19909329), (3, 6636443), (11, 1809939), (17, 1171137), (23, 865623), (33, 603313), (51, 390379), (69, 288541), (187, 106467), (253, 78693), (391, 50919), (561, 35489), (759, 26231), (1173, 16973), (1543, 12903), (4301, 4629)]