19422458

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{643}}^1\times {\mathrm{1373}}^1$

素因数の和:2029

約数の個数: 16

約数和(自身を含む): 31854816

約数和(自身を除く): 12432358

約数列:

[1, 2, 11, 22, 643, 1286, 1373, 2746, 7073, 14146, 15103, 30206, 882839, 1765678, 9711229, 19422458]

約数ペア:

[(1, 19422458), (2, 9711229), (11, 1765678), (22, 882839), (643, 30206), (1286, 15103), (1373, 14146), (2746, 7073)]