18149795

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{199}}^1$

素因数の和:287

約数の個数: 32

約数和(自身を含む): 24624000

約数和(自身を除く): 6474205

約数列:

[1, 5, 17, 29, 37, 85, 145, 185, 199, 493, 629, 995, 1073, 2465, 3145, 3383, 5365, 5771, 7363, 16915, 18241, 28855, 36815, 91205, 98107, 125171, 213527, 490535, 625855, 1067635, 3629959, 18149795]

約数ペア:

[(1, 18149795), (5, 3629959), (17, 1067635), (29, 625855), (37, 490535), (85, 213527), (145, 125171), (185, 98107), (199, 91205), (493, 36815), (629, 28855), (995, 18241), (1073, 16915), (2465, 7363), (3145, 5771), (3383, 5365)]