18489874

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{181}}^1\times {\mathrm{3929}}^1$

素因数の和:4125

約数の個数: 16

約数和(自身を含む): 30040920

約数和(自身を除く): 11551046

約数列:

[1, 2, 13, 26, 181, 362, 2353, 3929, 4706, 7858, 51077, 102154, 711149, 1422298, 9244937, 18489874]

約数ペア:

[(1, 18489874), (2, 9244937), (13, 1422298), (26, 711149), (181, 102154), (362, 51077), (2353, 7858), (3929, 4706)]