18970574

素因数分解:

$2^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{43711}}^1$

素因数の和:43751

約数の個数: 16

約数和(自身を含む): 33570816

約数和(自身を除く): 14600242

約数列:

[1, 2, 7, 14, 31, 62, 217, 434, 43711, 87422, 305977, 611954, 1355041, 2710082, 9485287, 18970574]

約数ペア:

[(1, 18970574), (2, 9485287), (7, 2710082), (14, 1355041), (31, 611954), (62, 305977), (217, 87422), (434, 43711)]