19383140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{138451}}^1$

素因数の和:138467

約数の個数: 24

約数和(自身を含む): 46519872

約数和(自身を除く): 27136732

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 138451, 276902, 553804, 692255, 969157, 1384510, 1938314, 2769020, 3876628, 4845785, 9691570, 19383140]

約数ペア:

[(1, 19383140), (2, 9691570), (4, 4845785), (5, 3876628), (7, 2769020), (10, 1938314), (14, 1384510), (20, 969157), (28, 692255), (35, 553804), (70, 276902), (140, 138451)]