19782308

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{54347}}^1$

素因数の和:54371

約数の個数: 24

約数和(自身を含む): 42608832

約数和(自身を除く): 22826524

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 182, 364, 54347, 108694, 217388, 380429, 706511, 760858, 1413022, 1521716, 2826044, 4945577, 9891154, 19782308]

約数ペア:

[(1, 19782308), (2, 9891154), (4, 4945577), (7, 2826044), (13, 1521716), (14, 1413022), (26, 760858), (28, 706511), (52, 380429), (91, 217388), (182, 108694), (364, 54347)]