18916378

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{10859}}^1$

素因数の和:10941

約数の個数: 16

約数和(自身を含む): 31016160

約数和(自身を除く): 12099782

約数列:

[1, 2, 13, 26, 67, 134, 871, 1742, 10859, 21718, 141167, 282334, 727553, 1455106, 9458189, 18916378]

約数ペア:

[(1, 18916378), (2, 9458189), (13, 1455106), (26, 727553), (67, 282334), (134, 141167), (871, 21718), (1742, 10859)]