20187908918

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{2251}}^1\times {\mathrm{13883}}^1$

素因数の和:16172

約数の個数: 32

約数和(自身を含む): 33768109440

約数和(自身を除く): 13580200522

約数列:

[1, 2, 17, 19, 34, 38, 323, 646, 2251, 4502, 13883, 27766, 38267, 42769, 76534, 85538, 236011, 263777, 472022, 527554, 727073, 1454146, 4484209, 8968418, 31250633, 62501266, 531260761, 593762027, 1062521522, 1187524054, 10093954459, 20187908918]

約数ペア:

[(1, 20187908918), (2, 10093954459), (17, 1187524054), (19, 1062521522), (34, 593762027), (38, 531260761), (323, 62501266), (646, 31250633), (2251, 8968418), (4502, 4484209), (13883, 1454146), (27766, 727073), (38267, 527554), (42769, 472022), (76534, 263777), (85538, 236011)]