2108278

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{509}}^1$

素因数の和:639

約数の個数: 16

約数和(自身を含む): 3366000

約数和(自身を除く): 1257722

約数列:

[1, 2, 19, 38, 109, 218, 509, 1018, 2071, 4142, 9671, 19342, 55481, 110962, 1054139, 2108278]

約数ペア:

[(1, 2108278), (2, 1054139), (19, 110962), (38, 55481), (109, 19342), (218, 9671), (509, 4142), (1018, 2071)]