19845552

素因数分解:

$2^4\times 3^1\times {\mathrm{643}}^2$

素因数の和:1297

約数の個数: 30

約数和(自身を含む): 51347532

約数和(自身を除く): 31501980

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 643, 1286, 1929, 2572, 3858, 5144, 7716, 10288, 15432, 30864, 413449, 826898, 1240347, 1653796, 2480694, 3307592, 4961388, 6615184, 9922776, 19845552]

約数ペア:

[(1, 19845552), (2, 9922776), (3, 6615184), (4, 4961388), (6, 3307592), (8, 2480694), (12, 1653796), (16, 1240347), (24, 826898), (48, 413449), (643, 30864), (1286, 15432), (1929, 10288), (2572, 7716), (3858, 5144)]