18638674

素因数分解:

$2^1\times {\mathrm{103}}^1\times {\mathrm{173}}^1\times {\mathrm{523}}^1$

素因数の和:801

約数の個数: 16

約数和(自身を含む): 28446912

約数和(自身を除く): 9808238

約数列:

[1, 2, 103, 173, 206, 346, 523, 1046, 17819, 35638, 53869, 90479, 107738, 180958, 9319337, 18638674]

約数ペア:

[(1, 18638674), (2, 9319337), (103, 180958), (173, 107738), (206, 90479), (346, 53869), (523, 35638), (1046, 17819)]