18699371907

素因数分解:

$3^1\times {\mathrm{131}}^1\times {\mathrm{181}}^1\times {\mathrm{199}}^1\times {\mathrm{1321}}^1$

素因数の和:1835

約数の個数: 32

約数和(自身を含む): 25407782400

約数和(自身を除く): 6708410493

約数列:

[1, 3, 131, 181, 199, 393, 543, 597, 1321, 3963, 23711, 26069, 36019, 71133, 78207, 108057, 173051, 239101, 262879, 519153, 717303, 788637, 4718489, 14155467, 31322231, 34437149, 47581099, 93966693, 103311447, 142743297, 6233123969, 18699371907]

約数ペア:

[(1, 18699371907), (3, 6233123969), (131, 142743297), (181, 103311447), (199, 93966693), (393, 47581099), (543, 34437149), (597, 31322231), (1321, 14155467), (3963, 4718489), (23711, 788637), (26069, 717303), (36019, 519153), (71133, 262879), (78207, 239101), (108057, 173051)]