19478719989

素因数分解:

$3^2\times {\mathrm{113}}^1\times {\mathrm{131}}^1\times {\mathrm{293}}^1\times {\mathrm{499}}^1$

素因数の和:1042

約数の個数: 48

約数和(自身を含む): 28756728000

約数和(自身を除く): 9278008011

約数列:

[1, 3, 9, 113, 131, 293, 339, 393, 499, 879, 1017, 1179, 1497, 2637, 4491, 14803, 33109, 38383, 44409, 56387, 65369, 99327, 115149, 133227, 146207, 169161, 196107, 297981, 345447, 438621, 507483, 588321, 1315863, 4337279, 7386697, 13011837, 16521391, 19153117, 22160091, 39035511, 49564173, 57459351, 66480273, 148692519, 172378053, 2164302221, 6492906663, 19478719989]

約数ペア:

[(1, 19478719989), (3, 6492906663), (9, 2164302221), (113, 172378053), (131, 148692519), (293, 66480273), (339, 57459351), (393, 49564173), (499, 39035511), (879, 22160091), (1017, 19153117), (1179, 16521391), (1497, 13011837), (2637, 7386697), (4491, 4337279), (14803, 1315863), (33109, 588321), (38383, 507483), (44409, 438621), (56387, 345447), (65369, 297981), (99327, 196107), (115149, 169161), (133227, 146207)]