19976410

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{2237}}^1$

素因数の和:2310

約数の個数: 32

約数和(自身を含む): 38672640

約数和(自身を除く): 18696230

約数列:

[1, 2, 5, 10, 19, 38, 47, 94, 95, 190, 235, 470, 893, 1786, 2237, 4465, 4474, 8930, 11185, 22370, 42503, 85006, 105139, 210278, 212515, 425030, 525695, 1051390, 1997641, 3995282, 9988205, 19976410]

約数ペア:

[(1, 19976410), (2, 9988205), (5, 3995282), (10, 1997641), (19, 1051390), (38, 525695), (47, 425030), (94, 212515), (95, 210278), (190, 105139), (235, 85006), (470, 42503), (893, 22370), (1786, 11185), (2237, 8930), (4465, 4474)]