19336412

素因数分解:

$2^2\times {\mathrm{17}}^2\times {\mathrm{43}}^1\times {\mathrm{389}}^1$

素因数の和:470

約数の個数: 36

約数和(自身を含む): 36876840

約数和(自身を除く): 17540428

約数列:

[1, 2, 4, 17, 34, 43, 68, 86, 172, 289, 389, 578, 731, 778, 1156, 1462, 1556, 2924, 6613, 12427, 13226, 16727, 24854, 26452, 33454, 49708, 66908, 112421, 224842, 284359, 449684, 568718, 1137436, 4834103, 9668206, 19336412]

約数ペア:

[(1, 19336412), (2, 9668206), (4, 4834103), (17, 1137436), (34, 568718), (43, 449684), (68, 284359), (86, 224842), (172, 112421), (289, 66908), (389, 49708), (578, 33454), (731, 26452), (778, 24854), (1156, 16727), (1462, 13226), (1556, 12427), (2924, 6613)]