1388339994

素因数分解:

$2^1\times 3^1\times {\mathrm{19}}^1\times {\mathrm{12178421}}^1$

素因数の和:12178445

約数の個数: 16

約数和(自身を含む): 2922821280

約数和(自身を除く): 1534481286

約数列:

[1, 2, 3, 6, 19, 38, 57, 114, 12178421, 24356842, 36535263, 73070526, 231389999, 462779998, 694169997, 1388339994]

約数ペア:

[(1, 1388339994), (2, 694169997), (3, 462779998), (6, 231389999), (19, 73070526), (38, 36535263), (57, 24356842), (114, 12178421)]