19679421

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{883}}^1$

素因数の和:945

約数の個数: 32

約数和(自身を含む): 30551040

約数和(自身を除く): 10871619

約数列:

[1, 3, 17, 19, 23, 51, 57, 69, 323, 391, 437, 883, 969, 1173, 1311, 2649, 7429, 15011, 16777, 20309, 22287, 45033, 50331, 60927, 285209, 345253, 385871, 855627, 1035759, 1157613, 6559807, 19679421]

約数ペア:

[(1, 19679421), (3, 6559807), (17, 1157613), (19, 1035759), (23, 855627), (51, 385871), (57, 345253), (69, 285209), (323, 60927), (391, 50331), (437, 45033), (883, 22287), (969, 20309), (1173, 16777), (1311, 15011), (2649, 7429)]