18903033

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{1723}}^1$

素因数の和:1805

約数の個数: 24

約数和(自身を含む): 29045952

約数和(自身を除く): 10142919

約数列:

[1, 3, 9, 23, 53, 69, 159, 207, 477, 1219, 1723, 3657, 5169, 10971, 15507, 39629, 91319, 118887, 273957, 356661, 821871, 2100337, 6301011, 18903033]

約数ペア:

[(1, 18903033), (3, 6301011), (9, 2100337), (23, 821871), (53, 356661), (69, 273957), (159, 118887), (207, 91319), (477, 39629), (1219, 15507), (1723, 10971), (3657, 5169)]