19001313

素因数分解:

$3^2\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{1327}}^1$

素因数の和:1413

約数の個数: 24

約数和(自身を含む): 28865408

約数和(自身を除く): 9864095

約数列:

[1, 3, 9, 37, 43, 111, 129, 333, 387, 1327, 1591, 3981, 4773, 11943, 14319, 49099, 57061, 147297, 171183, 441891, 513549, 2111257, 6333771, 19001313]

約数ペア:

[(1, 19001313), (3, 6333771), (9, 2111257), (37, 513549), (43, 441891), (111, 171183), (129, 147297), (333, 57061), (387, 49099), (1327, 14319), (1591, 11943), (3981, 4773)]