2018025820

素因数分解:

$2^2\times 5^1\times {\mathrm{3637}}^1\times {\mathrm{27743}}^1$

素因数の和:31389

約数の個数: 24

約数和(自身を含む): 4239172224

約数和(自身を除く): 2221146404

約数列:

[1, 2, 4, 5, 10, 20, 3637, 7274, 14548, 18185, 27743, 36370, 55486, 72740, 110972, 138715, 277430, 554860, 100901291, 201802582, 403605164, 504506455, 1009012910, 2018025820]

約数ペア:

[(1, 2018025820), (2, 1009012910), (4, 504506455), (5, 403605164), (10, 201802582), (20, 100901291), (3637, 554860), (7274, 277430), (14548, 138715), (18185, 110972), (27743, 72740), (36370, 55486)]