18798638

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{3559}}^1$

素因数の和:3719

約数の個数: 16

約数和(自身を含む): 29904000

約数和(自身を除く): 11105362

約数列:

[1, 2, 19, 38, 139, 278, 2641, 3559, 5282, 7118, 67621, 135242, 494701, 989402, 9399319, 18798638]

約数ペア:

[(1, 18798638), (2, 9399319), (19, 989402), (38, 494701), (139, 135242), (278, 67621), (2641, 7118), (3559, 5282)]