12886978

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{1373}}^1$

素因数の和:1426

約数の個数: 24

約数和(自身を含む): 21986748

約数和(自身を除く): 9099770

約数列:

[1, 2, 13, 19, 26, 38, 247, 361, 494, 722, 1373, 2746, 4693, 9386, 17849, 26087, 35698, 52174, 339131, 495653, 678262, 991306, 6443489, 12886978]

約数ペア:

[(1, 12886978), (2, 6443489), (13, 991306), (19, 678262), (26, 495653), (38, 339131), (247, 52174), (361, 35698), (494, 26087), (722, 17849), (1373, 9386), (2746, 4693)]