19421000728

素因数分解:

$2^3\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{1991489}}^1$

素因数の和:1991571

約数の個数: 32

約数和(自身を含む): 38714565600

約数和(自身を除く): 19293564872

約数列:

[1, 2, 4, 8, 23, 46, 53, 92, 106, 184, 212, 424, 1219, 2438, 4876, 9752, 1991489, 3982978, 7965956, 15931912, 45804247, 91608494, 105548917, 183216988, 211097834, 366433976, 422195668, 844391336, 2427625091, 4855250182, 9710500364, 19421000728]

約数ペア:

[(1, 19421000728), (2, 9710500364), (4, 4855250182), (8, 2427625091), (23, 844391336), (46, 422195668), (53, 366433976), (92, 211097834), (106, 183216988), (184, 105548917), (212, 91608494), (424, 45804247), (1219, 15931912), (2438, 7965956), (4876, 3982978), (9752, 1991489)]