18149913

素因数分解:

$3^7\times {\mathrm{43}}^1\times {\mathrm{193}}^1$

素因数の和:257

約数の個数: 32

約数和(自身を含む): 27998080

約数和(自身を除く): 9848167

約数列:

[1, 3, 9, 27, 43, 81, 129, 193, 243, 387, 579, 729, 1161, 1737, 2187, 3483, 5211, 8299, 10449, 15633, 24897, 31347, 46899, 74691, 94041, 140697, 224073, 422091, 672219, 2016657, 6049971, 18149913]

約数ペア:

[(1, 18149913), (3, 6049971), (9, 2016657), (27, 672219), (43, 422091), (81, 224073), (129, 140697), (193, 94041), (243, 74691), (387, 46899), (579, 31347), (729, 24897), (1161, 15633), (1737, 10449), (2187, 8299), (3483, 5211)]