19970110

素因数分解:

$2^1\times 5^1\times {\mathrm{439}}^1\times {\mathrm{4549}}^1$

素因数の和:4995

約数の個数: 16

約数和(自身を含む): 36036000

約数和(自身を除く): 16065890

約数列:

[1, 2, 5, 10, 439, 878, 2195, 4390, 4549, 9098, 22745, 45490, 1997011, 3994022, 9985055, 19970110]

約数ペア:

[(1, 19970110), (2, 9985055), (5, 3994022), (10, 1997011), (439, 45490), (878, 22745), (2195, 9098), (4390, 4549)]