18203140

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{47903}}^1$

素因数の和:47931

約数の個数: 24

約数和(自身を含む): 40239360

約数和(自身を除く): 22036220

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 47903, 95806, 191612, 239515, 479030, 910157, 958060, 1820314, 3640628, 4550785, 9101570, 18203140]

約数ペア:

[(1, 18203140), (2, 9101570), (4, 4550785), (5, 3640628), (10, 1820314), (19, 958060), (20, 910157), (38, 479030), (76, 239515), (95, 191612), (190, 95806), (380, 47903)]