18723854

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{373}}^1\times {\mathrm{1321}}^1$

素因数の和:1715

約数の個数: 16

約数和(自身を含む): 29665680

約数和(自身を除く): 10941826

約数列:

[1, 2, 19, 38, 373, 746, 1321, 2642, 7087, 14174, 25099, 50198, 492733, 985466, 9361927, 18723854]

約数ペア:

[(1, 18723854), (2, 9361927), (19, 985466), (38, 492733), (373, 50198), (746, 25099), (1321, 14174), (2642, 7087)]