19681277

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{233}}^1\times {\mathrm{1097}}^1$

素因数の和:1348

約数の個数: 16

約数和(自身を含む): 24665472

約数和(自身を除く): 4984195

約数列:

[1, 7, 11, 77, 233, 1097, 1631, 2563, 7679, 12067, 17941, 84469, 255601, 1789207, 2811611, 19681277]

約数ペア:

[(1, 19681277), (7, 2811611), (11, 1789207), (77, 255601), (233, 84469), (1097, 17941), (1631, 12067), (2563, 7679)]