19655207

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{97}}^1\times {\mathrm{109}}^1$

素因数の和:243

約数の個数: 24

約数和(自身を含む): 23672880

約数和(自身を除く): 4017673

約数列:

[1, 11, 13, 97, 109, 143, 169, 1067, 1199, 1261, 1417, 1859, 10573, 13871, 15587, 16393, 18421, 116303, 137449, 180323, 202631, 1511939, 1786837, 19655207]

約数ペア:

[(1, 19655207), (11, 1786837), (13, 1511939), (97, 202631), (109, 180323), (143, 137449), (169, 116303), (1067, 18421), (1199, 16393), (1261, 15587), (1417, 13871), (1859, 10573)]