19380881

素因数分解:

${\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{1223}}^1$

素因数の和:1312

約数の個数: 16

約数和(自身を含む): 22208256

約数和(自身を除く): 2827375

約数列:

[1, 13, 23, 53, 299, 689, 1219, 1223, 15847, 15899, 28129, 64819, 365677, 842647, 1490837, 19380881]

約数ペア:

[(1, 19380881), (13, 1490837), (23, 842647), (53, 365677), (299, 64819), (689, 28129), (1219, 15899), (1223, 15847)]