18917249

素因数分解:

${\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{67}}^1\times {\mathrm{587}}^1$

素因数の和:704

約数の個数: 16

約数和(自身を含む): 21271488

約数和(自身を除く): 2354239

約数列:

[1, 13, 37, 67, 481, 587, 871, 2479, 7631, 21719, 32227, 39329, 282347, 511277, 1455173, 18917249]

約数ペア:

[(1, 18917249), (13, 1455173), (37, 511277), (67, 282347), (481, 39329), (587, 32227), (871, 21719), (2479, 7631)]