18029905

素因数分解:

$5^1\times {\mathrm{47}}^1\times {\mathrm{73}}^1\times {\mathrm{1051}}^1$

素因数の和:1176

約数の個数: 16

約数和(自身を含む): 22420224

約数和(自身を除く): 4390319

約数列:

[1, 5, 47, 73, 235, 365, 1051, 3431, 5255, 17155, 49397, 76723, 246985, 383615, 3605981, 18029905]

約数ペア:

[(1, 18029905), (5, 3605981), (47, 383615), (73, 246985), (235, 76723), (365, 49397), (1051, 17155), (3431, 5255)]