7943140

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{20903}}^1$

素因数の和:20931

約数の個数: 24

約数和(自身を含む): 17559360

約数和(自身を除く): 9616220

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 20903, 41806, 83612, 104515, 209030, 397157, 418060, 794314, 1588628, 1985785, 3971570, 7943140]

約数ペア:

[(1, 7943140), (2, 3971570), (4, 1985785), (5, 1588628), (10, 794314), (19, 418060), (20, 397157), (38, 209030), (76, 104515), (95, 83612), (190, 41806), (380, 20903)]