18180908

素因数分解:

$2^2\times {\mathrm{53}}^1\times {\mathrm{191}}^1\times {\mathrm{449}}^1$

素因数の和:697

約数の個数: 24

約数和(自身を含む): 32659200

約数和(自身を除く): 14478292

約数列:

[1, 2, 4, 53, 106, 191, 212, 382, 449, 764, 898, 1796, 10123, 20246, 23797, 40492, 47594, 85759, 95188, 171518, 343036, 4545227, 9090454, 18180908]

約数ペア:

[(1, 18180908), (2, 9090454), (4, 4545227), (53, 343036), (106, 171518), (191, 95188), (212, 85759), (382, 47594), (449, 40492), (764, 23797), (898, 20246), (1796, 10123)]