19638972

素因数分解:

$2^2\times 3^2\times {\mathrm{545527}}^1$

素因数の和:545537

約数の個数: 18

約数和(自身を含む): 49643048

約数和(自身を除く): 30004076

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 545527, 1091054, 1636581, 2182108, 3273162, 4909743, 6546324, 9819486, 19638972]

約数ペア:

[(1, 19638972), (2, 9819486), (3, 6546324), (4, 4909743), (6, 3273162), (9, 2182108), (12, 1636581), (18, 1091054), (36, 545527)]