19780539

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{163}}^1\times {\mathrm{2129}}^1$

素因数の和:2314

約数の個数: 16

約数和(自身を含む): 27945600

約数和(自身を除く): 8165061

約数列:

[1, 3, 19, 57, 163, 489, 2129, 3097, 6387, 9291, 40451, 121353, 347027, 1041081, 6593513, 19780539]

約数ペア:

[(1, 19780539), (3, 6593513), (19, 1041081), (57, 347027), (163, 121353), (489, 40451), (2129, 9291), (3097, 6387)]