163940018

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{392201}}^1$

素因数の和:392233

約数の個数: 16

約数和(自身を含む): 282385440

約数和(自身を除く): 118445422

約数列:

[1, 2, 11, 19, 22, 38, 209, 418, 392201, 784402, 4314211, 7451819, 8628422, 14903638, 81970009, 163940018]

約数ペア:

[(1, 163940018), (2, 81970009), (11, 14903638), (19, 8628422), (22, 7451819), (38, 4314211), (209, 784402), (418, 392201)]