12769553668

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{263}}^1\times {\mathrm{638861}}^1$

素因数の和:639147

約数の個数: 24

約数和(自身を含む): 23612339520

約数和(自身を除く): 10842785852

約数列:

[1, 2, 4, 19, 38, 76, 263, 526, 1052, 4997, 9994, 19988, 638861, 1277722, 2555444, 12138359, 24276718, 48553436, 168020443, 336040886, 672081772, 3192388417, 6384776834, 12769553668]

約数ペア:

[(1, 12769553668), (2, 6384776834), (4, 3192388417), (19, 672081772), (38, 336040886), (76, 168020443), (263, 48553436), (526, 24276718), (1052, 12138359), (4997, 2555444), (9994, 1277722), (19988, 638861)]