19978648

素因数分解:

$2^3\times {\mathrm{733}}^1\times {\mathrm{3407}}^1$

素因数の和:4146

約数の個数: 16

約数和(自身を含む): 37522080

約数和(自身を除く): 17543432

約数列:

[1, 2, 4, 8, 733, 1466, 2932, 3407, 5864, 6814, 13628, 27256, 2497331, 4994662, 9989324, 19978648]

約数ペア:

[(1, 19978648), (2, 9989324), (4, 4994662), (8, 2497331), (733, 27256), (1466, 13628), (2932, 6814), (3407, 5864)]