19640138

素因数分解:

$2^1\times 7^1\times {\mathrm{503}}^1\times {\mathrm{2789}}^1$

素因数の和:3301

約数の個数: 16

約数和(自身を含む): 33747840

約数和(自身を除く): 14107702

約数列:

[1, 2, 7, 14, 503, 1006, 2789, 3521, 5578, 7042, 19523, 39046, 1402867, 2805734, 9820069, 19640138]

約数ペア:

[(1, 19640138), (2, 9820069), (7, 2805734), (14, 1402867), (503, 39046), (1006, 19523), (2789, 7042), (3521, 5578)]