19005489117

素因数分解:

$3^2\times {\mathrm{43}}^1\times {\mathrm{2647}}^1\times {\mathrm{18553}}^1$

素因数の和:21249

約数の個数: 24

約数和(自身を含む): 28102927424

約数和(自身を除く): 9097438307

約数列:

[1, 3, 9, 43, 129, 387, 2647, 7941, 18553, 23823, 55659, 113821, 166977, 341463, 797779, 1024389, 2393337, 7180011, 49109791, 147329373, 441988119, 2111721013, 6335163039, 19005489117]

約数ペア:

[(1, 19005489117), (3, 6335163039), (9, 2111721013), (43, 441988119), (129, 147329373), (387, 49109791), (2647, 7180011), (7941, 2393337), (18553, 1024389), (23823, 797779), (55659, 341463), (113821, 166977)]