2005198516

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{2731}}^1\times {\mathrm{9661}}^1$

素因数の和:12415

約数の個数: 24

約数和(自身を含む): 3695521760

約数和(自身を除く): 1690323244

約数列:

[1, 2, 4, 19, 38, 76, 2731, 5462, 9661, 10924, 19322, 38644, 51889, 103778, 183559, 207556, 367118, 734236, 26384191, 52768382, 105536764, 501299629, 1002599258, 2005198516]

約数ペア:

[(1, 2005198516), (2, 1002599258), (4, 501299629), (19, 105536764), (38, 52768382), (76, 26384191), (2731, 734236), (5462, 367118), (9661, 207556), (10924, 183559), (19322, 103778), (38644, 51889)]