19517522

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{89}}^1\times {\mathrm{199}}^1$

素因数の和:338

約数の個数: 32

約数和(自身を含む): 32400000

約数和(自身を除く): 12882478

約数列:

[1, 2, 19, 29, 38, 58, 89, 178, 199, 398, 551, 1102, 1691, 2581, 3382, 3781, 5162, 5771, 7562, 11542, 17711, 35422, 49039, 98078, 109649, 219298, 336509, 513619, 673018, 1027238, 9758761, 19517522]

約数ペア:

[(1, 19517522), (2, 9758761), (19, 1027238), (29, 673018), (38, 513619), (58, 336509), (89, 219298), (178, 109649), (199, 98078), (398, 49039), (551, 35422), (1102, 17711), (1691, 11542), (2581, 7562), (3382, 5771), (3781, 5162)]