18639464

素因数分解:

$2^3\times {\mathrm{53}}^1\times {\mathrm{43961}}^1$

素因数の和:44020

約数の個数: 16

約数和(自身を含む): 35609220

約数和(自身を除く): 16969756

約数列:

[1, 2, 4, 8, 53, 106, 212, 424, 43961, 87922, 175844, 351688, 2329933, 4659866, 9319732, 18639464]

約数ペア:

[(1, 18639464), (2, 9319732), (4, 4659866), (8, 2329933), (53, 351688), (106, 175844), (212, 87922), (424, 43961)]