19339895

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{3911}}^1$

素因数の和:3982

約数の個数: 16

約数和(自身を含む): 24786432

約数和(自身を除く): 5446537

約数列:

[1, 5, 23, 43, 115, 215, 989, 3911, 4945, 19555, 89953, 168173, 449765, 840865, 3867979, 19339895]

約数ペア:

[(1, 19339895), (5, 3867979), (23, 840865), (43, 449765), (115, 168173), (215, 89953), (989, 19555), (3911, 4945)]