19833107

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{2621}}^1$

素因数の和:2698

約数の個数: 16

約数和(自身を含む): 24164352

約数和(自身を除く): 4331245

約数列:

[1, 7, 23, 47, 161, 329, 1081, 2621, 7567, 18347, 60283, 123187, 421981, 862309, 2833301, 19833107]

約数ペア:

[(1, 19833107), (7, 2833301), (23, 862309), (47, 421981), (161, 123187), (329, 60283), (1081, 18347), (2621, 7567)]