18902700627

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{219689}}^1$

素因数の和:219787

約数の個数: 32

約数和(自身を含む): 27839116800

約数和(自身を除く): 8936416173

約数列:

[1, 3, 23, 29, 43, 69, 87, 129, 667, 989, 1247, 2001, 2967, 3741, 28681, 86043, 219689, 659067, 5052847, 6370981, 9446627, 15158541, 19112943, 28339881, 146532563, 217272421, 273952183, 439597689, 651817263, 821856549, 6300900209, 18902700627]

約数ペア:

[(1, 18902700627), (3, 6300900209), (23, 821856549), (29, 651817263), (43, 439597689), (69, 273952183), (87, 217272421), (129, 146532563), (667, 28339881), (989, 19112943), (1247, 15158541), (2001, 9446627), (2967, 6370981), (3741, 5052847), (28681, 659067), (86043, 219689)]