19915694405

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{911}}^1\times {\mathrm{141041}}^1$

素因数の和:141988

約数の個数: 16

約数和(自身を含む): 24697018368

約数和(自身を除く): 4781323963

約数列:

[1, 5, 31, 155, 911, 4555, 28241, 141041, 141205, 705205, 4372271, 21861355, 128488351, 642441755, 3983138881, 19915694405]

約数ペア:

[(1, 19915694405), (5, 3983138881), (31, 642441755), (155, 128488351), (911, 21861355), (4555, 4372271), (28241, 705205), (141041, 141205)]