19673919

素因数分解:

$3^2\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{1753}}^1$

素因数の和:1831

約数の個数: 24

約数和(自身を含む): 30098640

約数和(自身を除く): 10424721

約数列:

[1, 3, 9, 29, 43, 87, 129, 261, 387, 1247, 1753, 3741, 5259, 11223, 15777, 50837, 75379, 152511, 226137, 457533, 678411, 2185991, 6557973, 19673919]

約数ペア:

[(1, 19673919), (3, 6557973), (9, 2185991), (29, 678411), (43, 457533), (87, 226137), (129, 152511), (261, 75379), (387, 50837), (1247, 15777), (1753, 11223), (3741, 5259)]