19936705985

素因数分解:

$5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{107}}^1\times {\mathrm{280187}}^1$

素因数の和:280325

約数の個数: 32

約数和(自身を含む): 29049891840

約数和(自身を除く): 9113185855

約数列:

[1, 5, 7, 19, 35, 95, 107, 133, 535, 665, 749, 2033, 3745, 10165, 14231, 71155, 280187, 1400935, 1961309, 5323553, 9806545, 26617765, 29980009, 37264871, 149900045, 186324355, 209860063, 569620171, 1049300315, 2848100855, 3987341197, 19936705985]

約数ペア:

[(1, 19936705985), (5, 3987341197), (7, 2848100855), (19, 1049300315), (35, 569620171), (95, 209860063), (107, 186324355), (133, 149900045), (535, 37264871), (665, 29980009), (749, 26617765), (2033, 9806545), (3745, 5323553), (10165, 1961309), (14231, 1400935), (71155, 280187)]