19480276

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{127}}^1\times {\mathrm{1237}}^1$

素因数の和:1399

約数の個数: 24

約数和(自身を含む): 35495936

約数和(自身を除く): 16015660

約数列:

[1, 2, 4, 31, 62, 124, 127, 254, 508, 1237, 2474, 3937, 4948, 7874, 15748, 38347, 76694, 153388, 157099, 314198, 628396, 4870069, 9740138, 19480276]

約数ペア:

[(1, 19480276), (2, 9740138), (4, 4870069), (31, 628396), (62, 314198), (124, 157099), (127, 153388), (254, 76694), (508, 38347), (1237, 15748), (2474, 7874), (3937, 4948)]