19948048

素因数分解:

$2^4\times {\mathrm{521}}^1\times {\mathrm{2393}}^1$

素因数の和:2922

約数の個数: 20

約数和(自身を含む): 38739708

約数和(自身を除く): 18791660

約数列:

[1, 2, 4, 8, 16, 521, 1042, 2084, 2393, 4168, 4786, 8336, 9572, 19144, 38288, 1246753, 2493506, 4987012, 9974024, 19948048]

約数ペア:

[(1, 19948048), (2, 9974024), (4, 4987012), (8, 2493506), (16, 1246753), (521, 38288), (1042, 19144), (2084, 9572), (2393, 8336), (4168, 4786)]