2543188

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{307}}^1$

素因数の和:439

約数の個数: 24

約数和(自身を含む): 4743200

約数和(自身を除く): 2200012

約数列:

[1, 2, 4, 19, 38, 76, 109, 218, 307, 436, 614, 1228, 2071, 4142, 5833, 8284, 11666, 23332, 33463, 66926, 133852, 635797, 1271594, 2543188]

約数ペア:

[(1, 2543188), (2, 1271594), (4, 635797), (19, 133852), (38, 66926), (76, 33463), (109, 23332), (218, 11666), (307, 8284), (436, 5833), (614, 4142), (1228, 2071)]