19489264

素因数分解:

$2^4\times {\mathrm{199}}^1\times {\mathrm{6121}}^1$

素因数の和:6328

約数の個数: 20

約数和(自身を含む): 37956400

約数和(自身を除く): 18467136

約数列:

[1, 2, 4, 8, 16, 199, 398, 796, 1592, 3184, 6121, 12242, 24484, 48968, 97936, 1218079, 2436158, 4872316, 9744632, 19489264]

約数ペア:

[(1, 19489264), (2, 9744632), (4, 4872316), (8, 2436158), (16, 1218079), (199, 97936), (398, 48968), (796, 24484), (1592, 12242), (3184, 6121)]