209547998

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{491}}^1\times {\mathrm{1021}}^1$

素因数の和:1544

約数の個数: 32

約数和(自身を含む): 362033280

約数和(自身を除く): 152485282

約数列:

[1, 2, 11, 19, 22, 38, 209, 418, 491, 982, 1021, 2042, 5401, 9329, 10802, 11231, 18658, 19399, 22462, 38798, 102619, 205238, 213389, 426778, 501311, 1002622, 5514421, 9524909, 11028842, 19049818, 104773999, 209547998]

約数ペア:

[(1, 209547998), (2, 104773999), (11, 19049818), (19, 11028842), (22, 9524909), (38, 5514421), (209, 1002622), (418, 501311), (491, 426778), (982, 213389), (1021, 205238), (2042, 102619), (5401, 38798), (9329, 22462), (10802, 19399), (11231, 18658)]