19996391521

素因数分解:

${\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{113}}^1\times {\mathrm{404941}}^1$

素因数の和:405096

約数の個数: 16

約数和(自身を含む): 22158426240

約数和(自身を除く): 2162034719

約数列:

[1, 19, 23, 113, 437, 2147, 2599, 49381, 404941, 7693879, 9313643, 45758333, 176959217, 869408327, 1052441659, 19996391521]

約数ペア:

[(1, 19996391521), (19, 1052441659), (23, 869408327), (113, 176959217), (437, 45758333), (2147, 9313643), (2599, 7693879), (49381, 404941)]