19490274

素因数分解:

$2^1\times 3^3\times {\mathrm{277}}^1\times {\mathrm{1303}}^1$

素因数の和:1591

約数の個数: 32

約数和(自身を含む): 43501440

約数和(自身を除く): 24011166

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 277, 554, 831, 1303, 1662, 2493, 2606, 3909, 4986, 7479, 7818, 11727, 14958, 23454, 35181, 70362, 360931, 721862, 1082793, 2165586, 3248379, 6496758, 9745137, 19490274]

約数ペア:

[(1, 19490274), (2, 9745137), (3, 6496758), (6, 3248379), (9, 2165586), (18, 1082793), (27, 721862), (54, 360931), (277, 70362), (554, 35181), (831, 23454), (1303, 14958), (1662, 11727), (2493, 7818), (2606, 7479), (3909, 4986)]