19190985

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{107}}^1\times {\mathrm{1087}}^1$

素因数の和:1213

約数の個数: 32

約数和(自身を含む): 33841152

約数和(自身を除く): 14650167

約数列:

[1, 3, 5, 11, 15, 33, 55, 107, 165, 321, 535, 1087, 1177, 1605, 3261, 3531, 5435, 5885, 11957, 16305, 17655, 35871, 59785, 116309, 179355, 348927, 581545, 1279399, 1744635, 3838197, 6396995, 19190985]

約数ペア:

[(1, 19190985), (3, 6396995), (5, 3838197), (11, 1744635), (15, 1279399), (33, 581545), (55, 348927), (107, 179355), (165, 116309), (321, 59785), (535, 35871), (1087, 17655), (1177, 16305), (1605, 11957), (3261, 5885), (3531, 5435)]