18218189121

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{647}}^1\times {\mathrm{44909}}^1$

素因数の和:45589

約数の個数: 32

約数和(自身を含む): 27937612800

約数和(自身を除く): 9719423679

約数列:

[1, 3, 11, 19, 33, 57, 209, 627, 647, 1941, 7117, 12293, 21351, 36879, 44909, 134727, 135223, 405669, 493999, 853271, 1481997, 2559813, 9385981, 28157943, 29056123, 87168369, 319617353, 552066337, 958852059, 1656199011, 6072729707, 18218189121]

約数ペア:

[(1, 18218189121), (3, 6072729707), (11, 1656199011), (19, 958852059), (33, 552066337), (57, 319617353), (209, 87168369), (627, 29056123), (647, 28157943), (1941, 9385981), (7117, 2559813), (12293, 1481997), (21351, 853271), (36879, 493999), (44909, 405669), (134727, 135223)]