18430778885

素因数分解:

$5^1\times {\mathrm{53}}^1\times {\mathrm{71}}^1\times {\mathrm{523}}^1\times {\mathrm{1873}}^1$

素因数の和:2525

約数の個数: 32

約数和(自身を含む): 22907536128

約数和(自身を除く): 4476757243

約数列:

[1, 5, 53, 71, 265, 355, 523, 1873, 2615, 3763, 9365, 18815, 27719, 37133, 99269, 132983, 138595, 185665, 496345, 664915, 979579, 1968049, 4897895, 7048099, 9840245, 35240495, 51917687, 69550109, 259588435, 347750545, 3686155777, 18430778885]

約数ペア:

[(1, 18430778885), (5, 3686155777), (53, 347750545), (71, 259588435), (265, 69550109), (355, 51917687), (523, 35240495), (1873, 9840245), (2615, 7048099), (3763, 4897895), (9365, 1968049), (18815, 979579), (27719, 664915), (37133, 496345), (99269, 185665), (132983, 138595)]