18690334

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{23189}}^1$

素因数の和:23235

約数の個数: 16

約数和(自身を含む): 31167360

約数和(自身を除く): 12477026

約数列:

[1, 2, 13, 26, 31, 62, 403, 806, 23189, 46378, 301457, 602914, 718859, 1437718, 9345167, 18690334]

約数ペア:

[(1, 18690334), (2, 9345167), (13, 1437718), (26, 718859), (31, 602914), (62, 301457), (403, 46378), (806, 23189)]