18781378

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{11087}}^1$

素因数の和:11118

約数の個数: 24

約数和(自身を含む): 35392896

約数和(自身を除く): 16611518

約数列:

[1, 2, 7, 11, 14, 22, 77, 121, 154, 242, 847, 1694, 11087, 22174, 77609, 121957, 155218, 243914, 853699, 1341527, 1707398, 2683054, 9390689, 18781378]

約数ペア:

[(1, 18781378), (2, 9390689), (7, 2683054), (11, 1707398), (14, 1341527), (22, 853699), (77, 243914), (121, 155218), (154, 121957), (242, 77609), (847, 22174), (1694, 11087)]