18937286

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{12953}}^1$

素因数の和:13015

約数の個数: 16

約数和(自身を含む): 30778704

約数和(自身を除く): 11841418

約数列:

[1, 2, 17, 34, 43, 86, 731, 1462, 12953, 25906, 220201, 440402, 556979, 1113958, 9468643, 18937286]

約数ペア:

[(1, 18937286), (2, 9468643), (17, 1113958), (34, 556979), (43, 440402), (86, 220201), (731, 25906), (1462, 12953)]