18777286

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{12739}}^1$

素因数の和:12819

約数の個数: 16

約数和(自身を含む): 31187520

約数和(自身を除く): 12410234

約数列:

[1, 2, 11, 22, 67, 134, 737, 1474, 12739, 25478, 140129, 280258, 853513, 1707026, 9388643, 18777286]

約数ペア:

[(1, 18777286), (2, 9388643), (11, 1707026), (22, 853513), (67, 280258), (134, 140129), (737, 25478), (1474, 12739)]