12690746

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{337}}^1\times {\mathrm{991}}^1$

素因数の和:1349

約数の個数: 16

約数和(自身を含む): 20117760

約数和(自身を除く): 7427014

約数列:

[1, 2, 19, 38, 337, 674, 991, 1982, 6403, 12806, 18829, 37658, 333967, 667934, 6345373, 12690746]

約数ペア:

[(1, 12690746), (2, 6345373), (19, 667934), (38, 333967), (337, 37658), (674, 18829), (991, 12806), (1982, 6403)]