19739258

素因数分解:

$2^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{18311}}^1$

素因数の和:18338

約数の個数: 24

約数和(自身を含む): 37576224

約数和(自身を除く): 17836966

約数列:

[1, 2, 7, 11, 14, 22, 49, 77, 98, 154, 539, 1078, 18311, 36622, 128177, 201421, 256354, 402842, 897239, 1409947, 1794478, 2819894, 9869629, 19739258]

約数ペア:

[(1, 19739258), (2, 9869629), (7, 2819894), (11, 1794478), (14, 1409947), (22, 897239), (49, 402842), (77, 256354), (98, 201421), (154, 128177), (539, 36622), (1078, 18311)]