19949566

素因数分解:

$2^1\times 7^3\times {\mathrm{13}}^1\times {\mathrm{2237}}^1$

素因数の和:2273

約数の個数: 32

約数和(自身を含む): 37598400

約数和(自身を除く): 17648834

約数列:

[1, 2, 7, 13, 14, 26, 49, 91, 98, 182, 343, 637, 686, 1274, 2237, 4459, 4474, 8918, 15659, 29081, 31318, 58162, 109613, 203567, 219226, 407134, 767291, 1424969, 1534582, 2849938, 9974783, 19949566]

約数ペア:

[(1, 19949566), (2, 9974783), (7, 2849938), (13, 1534582), (14, 1424969), (26, 767291), (49, 407134), (91, 219226), (98, 203567), (182, 109613), (343, 58162), (637, 31318), (686, 29081), (1274, 15659), (2237, 8918), (4459, 4474)]