18003948790

素因数分解:

$2^1\times 5^1\times {\mathrm{16189}}^1\times {\mathrm{111211}}^1$

素因数の和:127407

約数の個数: 16

約数和(自身を含む): 32409401040

約数和(自身を除く): 14405452250

約数列:

[1, 2, 5, 10, 16189, 32378, 80945, 111211, 161890, 222422, 556055, 1112110, 1800394879, 3600789758, 9001974395, 18003948790]

約数ペア:

[(1, 18003948790), (2, 9001974395), (5, 3600789758), (10, 1800394879), (16189, 1112110), (32378, 556055), (80945, 222422), (111211, 161890)]