19159606081

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{277}}^1\times {\mathrm{128327}}^1$

素因数の和:128629

約数の個数: 24

約数和(自身を含む): 24401825856

約数和(自身を除く): 5242219775

約数列:

[1, 7, 11, 49, 77, 277, 539, 1939, 3047, 13573, 21329, 128327, 149303, 898289, 1411597, 6288023, 9881179, 35546579, 69168253, 248826053, 391012369, 1741782371, 2737086583, 19159606081]

約数ペア:

[(1, 19159606081), (7, 2737086583), (11, 1741782371), (49, 391012369), (77, 248826053), (277, 69168253), (539, 35546579), (1939, 9881179), (3047, 6288023), (13573, 1411597), (21329, 898289), (128327, 149303)]